This book titled "How to Toilet-Train Your Cat: 21 Days to a Litter-Free Home" by Paul Kunkel is a comprehensive guide on how to teach your cat to use the toilet instead of a litter box. It covers everything from the basics of getting started, to troubleshooting common problems that may arise during the training process. The book is written in English, has 96 pages, and was published by Workman Publishing Company in 1991.

In addition to the step-by-step training process, the book also provides helpful tips and tricks for cat owners to ensure success. It's a must-have for any cat lover looking to simplify their life and eliminate the need for a litter box.