When Hugo sees a mysterious red string, he just knows he’s going to find something wonderful at the end of it! Hugo’s journey takes him across the river, underground, and throughout town—all while gathering curious new friends along the way! What does Hugo finally find at the end of the mysterious red string? An embarrassing, hilarious, wonderful surprise! A rhyming refrain and Bob Boyle’s signature animated, geometric art style will entertain readers as they learn about what happens when new friends work toward a common goal.