Knock Knock 100 Reason to Panic About Being A Cat Lady (50032) Funny cat lover gift for anyone who owns (or is owned by) a feline Hardcover; 3.75 x 5 inches 112 Pages with more than 29 illustrations by Gemma Correll Honest look at the crazy that comes with being mad about cats, while also acknowledging all the furry upsides Knock Knock is an award-winning purveyor of witty books and paper products based in Venice, CA