The Doomsday Vault

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From the screenwriter of Academy Award­–nominated Puss in Boots and Puss in Boots: The Last Wish comes an inventive middle grade adventure about 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 EverWhen School of Time Travel and Other Odd Sciences. Not exactly thrilled at the idea, but not exactly having anything better to do, Bertie agrees. And that was only the first weird thing to happen to him that day. Thankfully, he's not alone—144 years in the future, math whiz Zoe Fuentes just accepted the same invitation, and 550 years in the past, Amelia da Vinci (yes, that da Vinci) has also decided to attend. Transported to 2024 for their