In futuristic Satellite City, fourteen-year-old Cosmo Hill escapes from his abusive orphanage and teams up with three other people who share his unusual ability to see supernatural creatures, and together they determine the nature and purpose of the swarming blue Parasites that are invisible to most humans.

Regan Fitz and Elliot Mason have been enemies since they started training to become Glitchers--people who travel through time to preserve important historical events. But everything changes when they find a letter from Regan's future self, warning them about an impending disaster that threatens them and everyone they know. Will they be able to set aside their past in order to save the future?--Amazon.com

When thirteen-year-olds Jonah and Chip, who are both adopted, learn they were discovered on a plane that appeared out of nowhere, full of babies with no adults on board, they realize that they have uncovered a mystery involving time travel and two opposing forces, each trying to repair the fabric of time.

Stable boy Arcturus accidentally becomes Hominum's first common summoner and is whisked away to Vocans Academy, but before he can settle in he must choose a side or watch the Empire crumble.

Left on their own for an evening, two boisterous brothers find more excitement than they bargained for in a mysterious and mystical space adventure board game.

Told through journal entries, twelve-year-old Danny and his best friend Slick recount how their friendship begins and when they discover Slick's true identity and ultimate fate.

Nax's one-way trip back to Earth is cut short after the school is hijacked by terrorists. Now he and a handful of other space Academy washouts are the only surviving pilots. In order to spread the truth about the attack, Nax and his fellow failures must execute a dangerous heist.--

After thirteen-year-old Tucker Feye's parents disappear, he suspects that the strange disks of shimmering air that he keeps seeing are somehow involved, and when he steps inside of one he is whisked on a time-twisting journey trailed by a shadowy sect of priests and haunted by ghostlike figures.

French has been captured by the Recruiters, confined to one of the infamous residential schools, where the government extracts the marrow of Indigenous people in order to steal the ability to dream, and where the captured are programmed to betray others of their kind, something which he discovers has been done to his brother; meanwhile the other survivors, his found family, are hunting for him, determined to rescue him--and French has to decide just...

"In a future world ravaged by global warming, people have lost the ability to dream, and the dreamlessness has led to widespread madness. The only people still able to dream are North America's indigenous population - and it is their marrow that holds the cure for the rest of the world. But getting the marrow - and dreams - means death for the unwilling donors. Driven to flight, a 15-year-old and his companions struggle for survival, attempt to reunite...