When Sam the library mouse and his friend Sarah wake to find the library being packed up to prepare for a major renovation, they realize they won't have a home during the construction. So off they go in search of a new place to live. Sam knows research is key, so he finds books about architectural styles to get ideas for building a temporary home from objects found around the library. They build and live in a variety of houses: a castle, an igloo,

One night in the library, Sam meets fellow mouse Sarah. Sam learns that Sarah is quite the explorer. She loves to scurry to the tops of shelves and explore the darkest corners of the building. Sam never climbs far up—he's too afraid! He prefers to research subjects—such as exploration—and write about them. Sarah doesn't know much about writing or research, but could reading and research help her learn more about the places she