The Doomsday Vault

From the screenwriter of Academy Award­–nominated Puss in Boots and Puss in Boots: The Last Wish comes a “briskly paced romp” (Booklist) about tweens enrolled in an interdimensional school for time travelers perfect for fans of the Spy School and Mr. Lemoncello’s Library series.

When Bertie Wells accidentally creates a black hole in his bedroom in the year 1878, the last thing he expects is for a grown-up to step out. Darla Marconi comes with an offer: Bertie is invited to attend the EverWhe...