With his mom overdue from an expedition, Nick doesn’t expect much for his birthday. Then his dad surprises him with a robot named Bob. Nick and Bob venture outside, but they’re separated and get lost in the forbidden world. Will Nick discover what happened to his mom, or will he be lost forever? The ending is Up2U! Aligned to Common Core standards and correlated to state standards. Calico is an imprint of Magic Wagon, a division of ABDO.