"Where's Mr Lion?" by Ingela P Arrhenius is a board book published by Nosy Crow Ltd in 2017. The book features felt flaps to help children locate Mr Lion in various scenes. With a total of 10 pages, this interactive and engaging book is perfect for young readers who enjoy looking for hidden objects and animals. The bright and colourful illustrations by Ingela P Arrhenius add to the charm and appeal of this delightful children's book.