Nicole Cassidy is a witch descended from the Greek gods...but she doesn't know it until she moves to a new town and discovers a dangerous world of magic and monsters that she never knew existed. When the Olympian Comet shoots through the sky for the first time in 3,000 years, Nicole and four others - including mysterious bad-boy Blake - are gifted with elemental powers. But the comet has another effect - it opens the portal to another dimension that has imprisoned the Titans for centuries.

With the help of a powerful computer system, Alison Shaw and her team are preparing to translate the first two-way conversation with the planet's second smartest species. But the team discovers much more from their dolphins than they ever expected when a secret object is revealed on the ocean floor. One that was never supposed to be found.

As the Torrian Alliance continues its age-old mission of hunting down Star Children, King Gregorio Derry reluctantly agrees to send his only son, William, to planet Earth on a mission to bring honor back to the royal family name. The target: Sydney, a teenage girl unaware of her alien heritage. When an accident delays the assassination, William begins to realize he is forming a connection with Sydney, and he struggles to follow through with his orders. William must make the ultimate choice between his irrevocable duty and love, sacrificing everything he believes.

Neanderthals have developed a radically different civilization on a parallel Earth. A Neanderthal physicist, Ponter Boddit, accidentally passes from his universe into a Canadian underground research facility. Fortunately, a team of human scientists, including expert paleo-anthropologist Mary Vaughan, promptly identifies and warmly receives Ponter. Solving the language problem and much else is a mini-computer, called a Companion, implanted in the brain of every Neanderthal. But it can't help his fellow scientist back in his world, Adikor Huld, when the authorities charge Adikor with his murder.

NASA discovered the alien ship lurking in the asteroid belt in the 1960's. They kept the Target under intense surveillance for decades, letting the public believe they were exploring the solar system, while they worked feverishly to refine the technology needed to reach it. Dr. Jane Holloway is content documenting nearly-extinct languages and had never contemplated becoming an astronaut. But when NASA recruits her to join a team of military scientists for an expedition to the Target, it's an adventure she can't refuse.

Elijah Goldsmith has nightmares he needs to ignore. Why would a rich kid from Manhattan dream three straight nights about a dragon and the destruction of St. Peter’s Basilica? He’s never even been to Rome. It’s bad timing, too. He’s graduating soon and applying to be a spy in the International Security Agency. That’s where he meets Naomi. She’s the kind of girl who makes boys like Elijah want to share their secrets.

It began with a hallucination. A time loss. A mistake. A strange man reaching out to her. All part of a tourist trap, Maggie is sure, and she's lucky it wasn't worse. Yet something about her life changed that day, and she can't put her finger on what. She forces herself to move on but can never shake the inexplicable emptiness she feels.

Only 1 percent of the population is blessed with magic affinity at birth. Fewer still have high enough affinities to rule. Ian’s decemancy eclipses all, granting him ultimate control over Death. He conquers cities with a thought and turns them into ruins with a gesture. But overwhelming power isn’t enough to escape the time loop or reveal its purpose.

Ethan Bryant was supposed to fall asleep on a ship leaving Earth and wake up 50 years later with his family on the planet Minea. Instead, after the ship's caretaker - the lone human in charge of monitoring the ship's vital systems - suddenly died, the ship's computer locked Ethan out of his stasis chamber and gave him the job. That was five years ago. Five years of checking to make sure everything ran smoothly on a ship Ethan knows almost nothing about.

Elle thought her summer would be ordinary—until she wakes up on a spaceship with newfound magic and incredible physical abilities. Suddenly, the fate of the universe rests in her hands. A mysterious Darkness is spreading, consuming planets, including Elle's home. With her new powers, Elle joins a daring team on an interstellar quest to find ancient relics that could stop the Darkness.

Seraphina Waters craves the opportunity to protect Bethany Anne's growing Etheric Empire. Thrown a lifeline when she needs it most, she's given a chance to prove herself. If she can. Pulled into alien politics and a life beyond her imagination, Phina might just have a chance to have the one thing she's always wanted. Now, she just needs to pull it off without getting killed.

The New Arilion Knights contains books 1-3 of the series. Emma’s problems go far beyond carb-counting mean girls. With nonhuman-like pointed ears and a stuttering problem brought on by anxiety, she’s one of the few who know Earth’s about to be blindsided with annihilation. What if the only way to save her home is to secretly join the academy of intergalactic warriors? And the only way to save her dad is to betray him? It’s up to this wallflower to stop bullying from going extraterrestrial.

Oasis, the last habitable area on post-apocalyptic Earth, is meant to be a paradise, a place where everyone is content. Vulgarity, violence, insanity, and other ills are but a distant memory, and even death no longer plagues the last surviving humans. Theo, a 23-year-old Youth, has never fit in with the serene, age-divided Oasis society. But it's only when he starts hearing a girl's voice in his head that he realizes that nothing is what it seems.

Abigail Swish's life is nothing to brag about: gang-ridden city, orphanage style accommodations, and a matron who's kinda on the evil side. Not that she has to worry about that for much longer. She'll turn 18 soon, and then it's goodbye compound, hello dangerous streets of New York City. Of course, as her luck would have it, she doesn't make it to 18 before her world is turned upside down. One ambushed meeting with an accent-bearing, sword-wielding stranger, and suddenly her entire life as she knows it is a lie.

Jewel is a tomboy who was eventually discharged from the military because she struggled to get along with others and couldn’t adjust to the military's restricted lifestyle. After a scandal that disrupted the social order back home, Kay is banished to a zoological research vessel, where he acts as curator. He struggles to prove himself, trying to earn his place in the order again so that he can end his exile and return to his normal life. But when it turns out that Jewel was abducted from home and placed in an alien zoo, with Kay as the only other being around, she questions his intentions.