In this latest book in the acclaimed Over and Under series, a spectacular hike reveals the hidden wonders, rich colors, and layers of wildlife living within a thriving desert slot-canyon!

Christopher Silas Neal is the award-winning artist of Over and Under the Snow, Up in the Garden and Down in the Dirt, Over and Under the Pond, and Over and Under the Rainforest. His work has been published in a variety of books and magazines and featured on television. He currently lives and works in Brooklyn.

Kate Messner is the award-winning author of Over and Under the Snow, Up in the Garden and Down in the Dirt, Over and Under the Pond, The Brilliant Deep, Over and Under the Rainforest, and How to Read a Story, as well as more than a dozen other books for young readers. Kate lives on Lake Champlain with her family.