Up2U Adventures—where the ending is Up2U! Ana thinks that her new school is very strange. Middlehurst Elementary School has a lot of rules. And everyone follows them. Or else. When Ana and her new friend Bryce discover a secret passage, they know that something suspicious is going on. Will they discover the school is a secret training ground, an illegal experiment, or something else? The ending is Up2U, so which ending will you choose? Aligned to Common Core Standards and correlated to state standards. Calico is an imprint of Magic Wagon, a division of ABDO.