books.google.com - The happy lion who lives in the zoo decides to pay all his visitors from the village a visit, with some puzzling results....https://books.google.com/books/about/The_Happy_Lion.html?id=h5lhPt44RtAC&utm_source=gb-gplus-shareThe Happy Lion
Louise Fatio was the author of 10 books about the Happy Lion, all illustrated by her artist husband. She was born in 1904 in Switzerland and died in 1993 in New Jersey.
"From the Hardcover edition.
Roger Duvoisin wrote and illustrated 40 books, including those featuring the silly goose Petunia. He also illustrated the Happy Lion books, written by his wife, Louise Fatio, received the Caldecott Medal for his illustrations in "White Snow, Bright Snow," and a Caldecott Honor for "Hide and Seek Fog," both written by Alvin Tresselt. He died in 1980.