Lucian enjoys searching the beach below his home for treasure, but after becoming attached to a mysterious cutlass he meets its owner, who offers something greater for its return.

Dave Eggers is the Newbery-winning author of The Eyes & the Impossible and a bestselling author of many books, including the National Book Award finalist A Hologram for the King. His books for younger readers include Abner & Ian Get Right-Side Up, What Can a Citizen Do?, Her Right Foot, and The Lifters. He is the founder of the independent publishing company McSweeney's, the college-access nonprofit ScholarMatch, and 826 Valencia, a writing center for young people in San Francisco. Eggers lives in Northern California.

Kelly Murphy has illustrated a number of acclaimed books for children, including the New York Times bestseller and recipient of the E. B. White Read Aloud Award Masterpiece by Elise Broach and Together We Grow by Susan Vaught. Raised in the swamps of southern New England, she occasionally made her way to the nearby ocean, where she found her own faraway things. Kelly currently lives in Providence and teaches at her alma mater, Rhode Island School of Design.