From the creator of While You're Asleep comes a hilarious pourquoi story about a burrowing tortoise and her mouse best friend--as well as mishaps, misunderstandings, and the friendships you make along the way. Tortoise and Mouse are more than just friends and burrowmates. They are best friends and best burrowmates. When their home gets flooded, however, it's up to Tortoise to dig them a new place to live. And so...