Allow your kiddo to dive into a magical world of discovery with the National Trust : Who's Hiding On The River? by Katharine McEwen - 1 Mar 2018. This delightful lift-the-flap book invites little explorers to uncover the secrets of river wildlife. With beautifully collaged pages, children can peek under leaves, logs, and lily pads to find out where the animals are hiding and what they’re up to. Each page is brimming with fascinating facts, making it an educational adventure as well as a visual treat. The interactive flaps encourage curiosity and keep young readers engaged. Buy now! About the Author: Katharine McEwen has been illustrating children’s books for over two decades.