Fans of Little Tug and Chugga-Chugga Choo-Choo will love this lyrical, heartwarming story by Calista Brill, brought to life by Tad Carpenter's bright and lively illustrations. Perfect for readers who can't get enough of things that GO!

Bill is a tugboat. Mabel is a barge. Together they go up and down the choppy river.

The other ships are big and vain. They tease Bill and Mabel. But when a kitten falls in the water, it's up to Bill and Mabel to save the day!

This book has been graded for interest at 4+ years.

There are 40 pages in this book. This book was published 2017 by HarperCollins Publishers Inc .

Originally from Detroit, Michigan, Calista Brill is a writer and editor based in New York City. Visit her on Twitter at @calistabrill. Tad Carpenter is an illustrator, designer, and teacher. His first book was Sad Santa (Sterling) and he has worked with Macy's, Adobe, Target, MTV, Hallmark Cards, Nick Jr. , and Publix, to name a few. He feels very lucky to draw, paint, and create for a living. Tad lives in Kansas City, MO, with his wife, Jessica, who is also a graphic designer.