In Dinosaurs Before Dark, adventure is waiting to happen! Jack and his younger sister, Annie, stumble upon a tree house filled with books. Where did the tree house come from? How long has it been there? When Jack reads a book about the Cretaceous period, 65 million years ago, and wishes he could really see the pteranodon, it suddenly appears at his window. Magically. Before Jack and Annie can figure out the mystery, the tree house whisks them back to the prehistoric past.

Catherine, a 12-year-old girl with big responsibilities, loves her autistic younger brother David and makes lists of rules she thinks will help him get by. But she often feels that her parents, focused on special care for David, forget that she exists, too.

Amanda is reliving her 11th birthday over and over again - even the fight with her best friend, Leo. How can she fix everything and put the day behind her? Only time, friendship, and luck will tell.

In 1961, two years after the Communist revolution, Lucía Álvarez still leads a carefree life, dreaming of parties and her first crush. But when the soldiers come to her sleepy Cuban town, everything begins to change. Freedoms are stripped away. Neighbors disappear. And soon, Lucía's parents make the heart-wrenching decision to send her and her little brother to the United States - on their own. Suddenly plunked down in Nebraska with well-meaning strangers, Lucía struggles to adapt to a new country, a new language, a new way of life. But what of her old life?

Lina is spending the summer in Tuscany, but she isn't in the mood for Italy's famous sunshine and fairy-tale landscape. She's only there because it was her mother's dying wish that she get to know her father. But what kind of father isn't around for 16 years? All Lina wants to do is get back home. But then Lina is given a journal that her mom had kept when she lived in Italy. Suddenly Lina's uncovering a magical world of secret romances, art, and hidden bakeries. A world that inspires Lina to follow in her mother's footsteps.

How do you let go of something you've never had? Junior year for Brooke Winters is supposed to be about change. She's transferring schools, starting fresh, and making plans for college so she can finally leave her hometown, her family, and her past behind. But all of her dreams are shattered one hot summer afternoon when her mother is arrested for killing Brooke's abusive father. No one really knows what happened that day, if it was premeditated or self-defense, whether it was right or wrong. And now Brooke and her siblings are on their own.

In this intricate, magnificently imagined sequel to Blue Balliett's international best seller, Chasing Vermeer, supersleuths Petra and Calder, along with Calder's old friend, Tommy, are cryptically drawn into another art mystery, this time involving a Frank Lloyd Wright architectural masterpiece, the Robie House.

When 13-year-old Mia finally reveals a closely-guarded secret, it soon echoes throughout her school. She was born with synesthesia, a neurological cross-wiring that lets her see sounds, taste shapes, and smell colors. To Mia, the letter A glows with faded sunflower-yellow, screeching chalk sizzles with jagged red sparks, and her cat's voice puffs with orange-mango haze. How can Mia "the alien" find acceptance and self-worth?

When Alexis's little sister Kasey becomes obsessed with an antique doll, Alexis thinks she is just being her usual weird self. Things get weirder, though, when their house starts changing. Doors open and close by themselves; water boils on the unlit stove; and an unplugged air conditioner blasts cold air.

Harold dreams of being a hero like his father, a Navy SEAL, but - he is what you might call an easy target. He’s short, he’s almost legally blind, and he’s the new kid in town! When the biggest bully in school smashes Harold’s glasses and he has to get a new pair, something amazing happens. Suddenly, Harold can see anyone’s greatest fear. Do you know what this means? R-E-V-E-N-G-E. And it has never tasted so sweet. One by one, Harold is going to make bullies pay. But in the end, what if Harold becomes the villain in the story...instead of the hero?

Ethan was abducted from his front yard when he was just seven years old. Now, at 16, he has returned to his family. It’s a miracle… at first. Then the tensions start to build. His reintroduction to his old life isn’t going smoothly, and his family is tearing apart all over again. If only Ethan could remember something, anything, about his life before, he’d be able to put the pieces back together....

Jeremy Fink has big plans for this summer with his best friend Lizzy, a notorious troublemaker (and no, he does not have a secret crush on her). He has everything he needs within a few blocks of his home, so he never has to leave his little neighborhood. And this summer, he officially becomes a teenager.

With a dad who disappeared years ago and a mother who's a bit too busy to parent, Emmy is shipped off to Wellsworth, a prestigious boarding school in England, where she's sure she won't fit in. But then she finds a box of mysterious medallions in the attic of her home - medallions that belonged to her father...who may have gone to Wellsworth.

A new state, a new city, a new high school. Mike's father has already found a new evangelical church for the family to attend, even if Mike and his plainspoken little sister, Toby, don't want to go. Dad wants Mike to ditch art for sports, to toughen up, but there's something uneasy behind his demands. Then Mike meets Sean, the new kid, and "hey" becomes games of basketball, partnering on a French project, hanging out after school. A night at the beach. The fierce colors of sunrise.

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.

Amanda is reliving her 11th birthday over and over again - even the fight with her best friend, Leo. How can she fix everything and put the day behind her? Only time, friendship, and luck will tell.

In 1961, two years after the Communist revolution, Lucía Álvarez still leads a carefree life, dreaming of parties and her first crush. But when the soldiers come to her sleepy Cuban town, everything begins to change. Freedoms are stripped away. Neighbors disappear. And soon, Lucía's parents make the heart-wrenching decision to send her and her little brother to the United States - on their own. Suddenly plunked down in Nebraska with well-meaning strangers, Lucía struggles to adapt to a new country, a new language, a new way of life. But what of her old life?

1987. There’s only one person who has ever truly understood fourteen-year-old June Elbus, and that’s her uncle, the renowned painter Finn Weiss. Shy at school and distant from her older sister, June can only be herself in Finn’s company; he is her godfather, confidant, and best friend. So when he dies, far too young, of a mysterious illness her mother can barely speak about, June’s world is turned upside down. But Finn’s death brings a surprise acquaintance into June’s life - someone who will help her to heal....

How do you let go of something you've never had? Junior year for Brooke Winters is supposed to be about change. She's transferring schools, starting fresh, and making plans for college so she can finally leave her hometown, her family, and her past behind. But all of her dreams are shattered one hot summer afternoon when her mother is arrested for killing Brooke's abusive father. No one really knows what happened that day, if it was premeditated or self-defense, whether it was right or wrong. And now Brooke and her siblings are on their own.

When Alexis's little sister Kasey becomes obsessed with an antique doll, Alexis thinks she is just being her usual weird self. Things get weirder, though, when their house starts changing. Doors open and close by themselves; water boils on the unlit stove; and an unplugged air conditioner blasts cold air.

Jeremy Fink has big plans for this summer with his best friend Lizzy, a notorious troublemaker (and no, he does not have a secret crush on her). He has everything he needs within a few blocks of his home, so he never has to leave his little neighborhood. And this summer, he officially becomes a teenager.

With a dad who disappeared years ago and a mother who's a bit too busy to parent, Emmy is shipped off to Wellsworth, a prestigious boarding school in England, where she's sure she won't fit in. But then she finds a box of mysterious medallions in the attic of her home - medallions that belonged to her father...who may have gone to Wellsworth.

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.

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.

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.

This Junior Library Guild selection by Elise Broach is sure to become a favorite of all young sleuths. Sixth-grader Hero is captivated by the stories about her new home, especially the mystery of the missing million-dollar diamond and a 500-year-old necklace. As she searches for clues to their whereabouts she stumbles upon another perplexing question: Who was the real William Shakespeare?

Now: Sixteen-year-old Jesse is used to living with the echoes of the past. Her older brother died in the September 11th attacks, and her dad since has filled their home with anger and grief. When Jesse gets caught up with the wrong crowd, one momentary hate-fueled decision turns her life upside down. The only way to make amends is to face the past, starting Jesse on a journey that will reveal the truth about how her brother died. Then: In 2001, 16-year-old Alia is proud to be Muslim....it's being a teenager that she finds difficult.

Charlie Wilde knew her life would change forever when her family moved from the city of Chicago to the suburbs of Arizona...and that was before she found the bracelet. After putting it on, she notices odd things start to happen. Suddenly Charlie seems to have the speed of a cheetah and the strength of an elephant - and that's just the beginning. She would be thrilled about her transformation if she had any idea how to use the device or control her amazing powers.

With his shaved head and begging bowl the new kid is an automatic target for the bully boys of Edward Rucher High, an easy mark for their casual cruelty.

Elizabeth has just started working as a page at the New York Circulating Material Repository - a lending library of objects, contemporary and historical, common and obscure. And secret, too - for in the repository's basement lies the Grimm Collection, a room of magical items straight from the Grimm Brother's fairy tales. But the magic mirrors and seven-league boots and other items are starting to disappear.