Italo Calvino's beloved cosmicomics cross planets and traverse galaxies, speed up time or slow it down to the particles of an instant. Through the eyes of an ageless guide named Qfwfq, Calvino explores natural phenomena and tells the story of the origins of the universe. Poignant, fantastical, and wise, these 34 dazzling stories - collected here in one definitive anthology - relate complex scientific and mathematical concepts to our everyday world.

Oto leaves for boarding school with one plan: Excel and escape his cruel home. Falling in love with his roommate was certainly not on the agenda, but fear and shame force him to hide his love and true self. Back home, weighed down by the expectations of their wealthy and powerful family, the love of Oto's twin sister wavers, and, as their world begins to crumble around them, Oto must make drastic choices that will alter the family's lives for ever.

After a childhood in foster care, Bitter is thrilled to have been chosen to attend Eucalyptus, a special school where she can focus on her painting surrounded by other creative teens. But outside this haven, the streets are filled with protests against the deep injustices that grip the city of Lucille.

Echo Ridge is small-town America. Ellery's never been there, but she's heard all about it. Her aunt went missing there at age 17. And only five years ago, a homecoming queen put the town on the map when she was killed. Now, Ellery has to move there to live with a grandmother she barely knows. The town is picture-perfect, but it's hiding secrets. And before school even begins for Ellery, someone has declared open season on homecoming, promising to make it as dangerous as it was five years ago. Then, almost as if to prove it, another girl goes missing.

Samantha Kingston has it all: the world's most crush-worthy boyfriend, three amazing best friends, and first pick of everything at Thomas Jefferson High—from the best table in the cafeteria to the choicest parking spot. Friday, February 12, should be just another day in her charmed life. Instead, it turns out to be her last. Then she gets a second chance. Seven chances, in fact.

Spencer covets her sister's boyfriend. Aria's fantasizing about her English teacher. Emily's crushing on the new girl at school. And Hanna uses some ugly tricks to stay beautiful. But they've all kept an even bigger secret since their friend Alison vanished.

Dubbed "Dumplin'" by her former beauty queen mom, Willowdean has always been at home in her own skin. Her thoughts on having the ultimate bikini body? Put a bikini on your body. With her all-American-beauty best friend, Ellen, by her side, things have always worked...until Will takes a job at Harpy's, the local fast-food joint. There she meets Private School Bo, a hot former jock. Will isn't surprised to find herself attracted to Bo. But she is surprised when he seems to like her back.

Seventeen-year-old Hannah wants to spend her senior year of high school going to football games and Mardi Gras parties. She wants to drive along the oak-lined streets of Louisiana's Garden District and lie on the hot sand of Florida's beaches. She wants to spend every night making memories with her tight-knit group of friends. The last thing she wants is to fall in love with a girl - especially when that girl is her best friend, Baker. Hannah knows she should like Wally, the kind, earnest boy who asks her to prom.

It's been a year since it happened - when Paige Hancock's first boyfriend died in an accident. After shutting out the world for two years, Paige is finally ready for a second chance at high school...and she has a plan. First: Get her old crush, Ryan Chase, to date her - the perfect way to convince everyone she's back to normal. Next: Join a club. But when Ryan's sweet, nerdy cousin, Max, moves to town and recruits Paige for the Quiz Bowl team, her perfect plan is thrown for a serious loop.

Edited by National Book Award finalist Ibi Zoboi and featuring some of the most acclaimed best-selling black authors writing for teens today - Black Enough is an essential collection of captivating stories about what it’s like to be young and black in America. A selection of the Schomburg Center's Black Liberation Reading List.

Anna is looking forward to her senior year in Atlanta, where she has a great job, a loyal best friend, and a crush on the verge of becoming more. Which is why she is less than thrilled about being shipped off to boarding school in Paris - until she meets Etienne St. Clair: Perfect, Parisian (and English and American, which makes for a swoon-worthy accent), and utterly irresistible. The only problem is that he's taken, and Anna might be, too, if anything comes of her almost-relationship back home.

Even though they're identical, Tristan isn't close to his twin Robbie at all - until Robbie tries to kill himself. Forced to share a room to prevent Robbie from hurting himself, the brothers begin to feel the weight of each other's lives, on the ice and off. Tristan starts seeing his twin not as a hockey star whose shadow Tristan can't escape, but a struggling gay teen terrified about coming out in the professional sports world. Robbie's future in the NHL is plagued by anxiety and the mounting pressure from their dad, coach, and scouts.

The UNS Women's Lacrosse team doesn't have an official policy against inter-teammate relationships, but those words might as well be carved into stone tablets in the middle of the field. After witnessing way too much drama in the past, Captain Becca Moore is intent on keeping her players' love lives out of the locker room. Becca has no time or tolerance for any distractions from the game. Unfortunately, that's exactly what Hope Hastings has been since the day she showed up for tryouts: charismatically dorky and kissable distraction.

A steamy summer encounter with bad boy Jude means trouble for Lucy. Her sights are set on becoming a ballerina, and she won't let anything get in her way...except Jude. He's got a rap sheet, dangerous mood swings, and a name that's been sighed, shouted, and cursed by who knows how many girls. Jude's a cancer, the kind of guy who's fated to ruin the lives of girls like Lucy - and he tells her so. But as rumors run rampant and reputations are destroyed, Lucy's not listening to Jude's warning.

Jackie does not like surprises. Chaos is the enemy! The best way to get her successful, busy parents to notice her is to be perfect. The perfect look, the perfect grades—the perfect daughter. And then Jackie's family dies in a freak car accident and she has to move cross-country to live with the Walters—her new guardians. Now Jackie must trade in her Type A personality and New York City apartment for a Colorado ranch and all the wild Walter boys who come with it. How can she fit in and move on when she needs to keep her parents' memory alive by living up to the promise of perfect?

A steamy summer encounter with bad boy Jude means trouble for Lucy. Her sights are set on becoming a ballerina, and she won't let anything get in her way...except Jude. He's got a rap sheet, dangerous mood swings, and a name that's been sighed, shouted, and cursed by who knows how many girls. Jude's a cancer, the kind of guy who's fated to ruin the lives of girls like Lucy - and he tells her so. But as rumors run rampant and reputations are destroyed, Lucy's not listening to Jude's warning.

It's been a year since it happened - when Paige Hancock's first boyfriend died in an accident. After shutting out the world for two years, Paige is finally ready for a second chance at high school...and she has a plan. First: Get her old crush, Ryan Chase, to date her - the perfect way to convince everyone she's back to normal. Next: Join a club. But when Ryan's sweet, nerdy cousin, Max, moves to town and recruits Paige for the Quiz Bowl team, her perfect plan is thrown for a serious loop.

Samantha Kingston has it all: the world's most crush-worthy boyfriend, three amazing best friends, and first pick of everything at Thomas Jefferson High—from the best table in the cafeteria to the choicest parking spot. Friday, February 12, should be just another day in her charmed life. Instead, it turns out to be her last. Then she gets a second chance. Seven chances, in fact.

When Adam Blake lands the best elective ever in his senior year, serving as an aide to the school psychologist, he thinks he's got it made. Sure, it means a lot of sitting around, which isn't easy for a guy with ADHD, but he can't complain, since he gets to spend the period texting all his friends. Then the doctor asks him to track down the troubled freshman who keeps dodging her, and Adam discovers that the boy is Julian - the foster brother he hasn't seen in five years.

Reality, it turns out, is often not what you perceive it to be - sometimes, there really is someone out to get you. For fans of Silver Linings Playbook and Liar, this thought-provoking debut tells the story of Alex, a high school senior - and the ultimate unreliable narrator - unable to tell the difference between real life and delusion. Alex fights a daily battle to figure out what is real and what is not.

Seventeen-year-old Violet has always been expected to sit back and let the boys do all the saving. It's the code her father, a member of the Reign of Terror motorcycle club, raised her to live by. Yet when her dad is killed carrying out Terror business, Violet knows it's up to her to do the saving. To protect herself, and her vulnerable younger brother, she needs to cut all ties with the club - including Chevy, the boy she's known and loved her whole life.

Ophelia Rojas knows what she likes: her best friends, Cuban food, rose-gardening, and boys - way too many boys. Her friends and parents make fun of her endless stream of crushes, but Ophelia is a romantic at heart. She couldn’t change, even if she wanted to.

Sixteen-year-old physics nerd Aysel is obsessed with plotting her own death. With a mother who can barely look at her without wincing, classmates who whisper behind her back, and a father whose violent crime rocked her small town, Aysel is ready to turn her potential energy into nothingness.

When 16-year-old Alice is diagnosed with leukemia, her prognosis is grim. To maximize the time she does have, she vows to spend her final months righting wrongs - however she sees fit. She convinces her friend Harvey, who she knows has always had feelings for her, to help her with a crazy bucket list that's as much about revenge (humiliating her ex-boyfriend and getting back at her archnemesis) as it is about hope (doing something unexpectedly kind for a stranger).

Ramona was only five years old when Hurricane Katrina changed her life forever. Since then it's been Ramona and her family against the world. Standing over six feet tall, with unmistakable blue hair, Ramona is sure of three things: She likes girls, she's fiercely devoted to her family, and she knows she's destined for something bigger than the trailer she calls home in Eulogy, Mississippi. But juggling multiple jobs, her flaky mom, and her well-meaning but ineffectual dad forces her to be the adult of the family.

When her boyfriend dies a most untimely death, Aura--who can see ghosts--is forced to reconsider her relationship with the living and dead in Shade.

She's a tomboy. He's the boy next door. With three older brothers, Charlotte Reynolds, aka Charlie, has always been more comfortable calling the shots on a basketball court than flirting with the opposite sex. So when her police officer dad demands she get a summer job to pay for the latest in a long line of speeding tickets, she's more than a little surprised to find herself working at a chichi boutique and going out with a boy who has never seen her tear it up in a pickup game.

Ariana Osgood has everything an Easton Academy girl could want: straight A's, the perfect boyfriend, and a coveted spot in exclusive Billings House. But on the first night of Christmas vacation, a blizzard traps her on campus with irresistible bad-boy Thomas Pearson. Alone. As the snow transforms Easton into a winter wonderland, Ariana finds herself falling for Thomas. But someone is watching their clandestine romance unfold, someone intent on turning their holiday weekend into a nightmare.

When Abbey’s best friend, Kristen, vanishes at the bridge near Sleepy Hollow Cemetery, everyone else is all too quick to accept that Kristen is dead, and rumors fly that her death was no accident. Abbey goes through the motions of mourning her best friend, but privately, she refuses to believe that Kristen is really gone. Then she meets Caspian, the gorgeous and mysterious boy who shows up out of nowhere at Kristen’s funeral, and who keeps reappearing in Abbey’s life. Caspian clearly has secrets of his own, but he’s the only person who makes Abbey feel normal again.

Last spring, Nikki Beckett vanished, sucked into an underworld known as the Everneath. Now she’s returned - to her old life, her family, her boyfriend - before she’s banished back to the underworld... this time forever. She has six months before the Everneath comes to claim her, six months for good-byes she can’t find the words for, six months to find redemption, if it exists. Nikki longs to spend these precious months forgetting the Everneath and trying to reconnect with her boyfriend, Jack, the person most devastated by her disappearance - and the one person she loves more than anything.