The book Pinball Machine Care and Maintenance by B.B. Kamoroff is out of print. An all new edition, with a new title Your Pinball Machine: How to Purchase, Adjust, Maintain and Repair Your Own Machine published by Schiffer Publishing is available directly from the publisher SchifferBooks.com and most online booksellers. For questions about the book, or about this web site, or to reach the author email: Bellsprings@att.net