Sundays are for cats and books. - From "Cats & Books", a charming photo book of precious kitties with books, crowd-sourced from the popular Instagram hashtag #CatsandBook. On sale now. - Meet Olympe, from Châlons-en-Champagne, Marne, France. Image by @suivez_le_fil Ariane Lepilliet. #catsofinstagram #bookstagram #rizzolibooks