As the hours tick by from nine in the morning to seven at night, two rambunctious twins create mayhem.

Artemis's mother has contracted a deadly disease -- and the only cure lies in the brain fluid of African lemurs. Unfortunately, Artemis himself was responsible for making the lemurs extinct five years ago. Now he must enlist the aid of his fairy friends to travel back in time and save them. Not only that, but he must face his deadliest foe yet...his younger self.

The Neverending Story is Michael Endes best-known book, but Momo, published six years earlier, is the all-ages fantasy novel that first won him wide acclaim. After the sweet-talking gray men come to town, life becomes terminally efficient. Can Momo, a young orphan girl blessed with the gift of listening, vanquish the ashen-faced time thieves before joy vanishes forever? With gorgeous new drawings by Marcel Dzama and a new translation from the German...

Valory, an unlikely heroine and descendant of Bristal, must battle the effects of a dangerous, time-bending resurrection spell wreaking havoc on Nissera.

During a summer holiday in Wales, Portia and Ben discover a mysterious door in a forest, unaware that it is a portal to a perilous Otherworld, and they unwittingly open the door, unleashing a powerful evil that endangers both the human and fairy realms, forcing them to confront the consequences of their actions.

"After living through a dumpster fire of a Valentine’s Day, Emilie Hornby escapes to her grandmother’s house for some comfort and a consolation pint of Ben & Jerry’s. She passes out on the couch, but when she wakes up, she’s back home in her own bed—and it’s Valentine’s Day all over again. And the next day? Another nightmare V-Day. Emilie is stuck in some sort of time loop nightmare that she can’t wake up from as she re-watches her...

"Seventeen-year-old Ana Moon is having a rough week. It starts with a fight after school, then suspension, followed by mandatory psych visits. Still, Ana hopes therapy will help her with another problem--the disturbing feeling that someone, or something, is following her. Then, during a shocking train crash, life goes from bad to bizarre. In the space of mere seconds, Ana's best friend is gone--taken right in front of her eyes by an incredible, terrifying...

"In 1891, Willa Marconi's life falls apart when her mentor at the University of Bologna unexpectedly dies. She loses her laboratory access and her stipend, but she refuses to let anyone take her research away. While testing her prototype radio equipment, she detects a mysterious signal and pursues its origin. In 2034, a cataclysmic event has rendered the Earth uninhabitable, and humankind survives by living inside of artificial worlds. Riley would...