Robert Kraus was an American children's author, cartoonist and publisher. Founder and publisher of Windmill Books, author and illustrator of award-winning children's books, Kraus began as a cartoonist and cover artist for The New Yorker. [https://en.wikipedia.org/wiki/Robert_...]
The Hilary Knight illustrations make this book a wonderful game of “I Spy” while children search for and count the mice on each page, using the key provided at the front of the book.