This story is based on facts from Henry David Thoreau's book Walden (first published in 1854) and his Journal. It follows his life at Walden Pond step by step in the building of his house and through the months he spent recording his thoughts. In Walden, in the chapter titled Brute Neighbors while building his house, Thoreau mentioned a mouse who became friendly with him just after he had laid down the first layer of floor boards. In Little Mouse ten of Thoreau's interesting statements are woven into the story, then translated into "Mouse Talk" for young readers to understand. It is my hope that this book will inspire children (and you to) to read Walden one of the great masterpieces of American Literature.