How do beavers make dams?

"A beaver's funny teeth and floppy tail are more than just decoration, they're construction tools. Readers will unlock the mystery of dam building in this entertaining and educational text. Putting an unexpected twist on curricular science topics, this book is sure to grab readers' attention. Readers are introduced to the study of life science with real-world examples. Colorful pictures make the information pop, and accessible language clarifies advanced concepts.".