This nonfiction ode to boats features six kinds of workers and their boats, with important parts properly labeled. The answer to each inquiring refrain lies under a gatefold, engaging the reader in an informative guessing game. Full color.

Toni Buzzeo is the author of the Caldecott Honor Book and New York Times bestseller One Cool Friend and many other books for children. She lives in Arlington, Massachusetts.

Tom Froese is a commercial artist. His work can be seen in retail stores and publications including Monocle, Harvard Business Review, and Wired UK. He lives in Canada.