This book by Joseph Rabushka is a valuable resource for anyone interested in restoration and repairing of clocks, specifically the 400 day clock. With its detailed information on the topic, the book provides a comprehensive guide for enthusiasts and professionals alike. The author's expertise is evident in the way the book is written, making it easy to understand and follow. The book, titled "Restore 400 Day Clock", contains valuable insights on the topic of clock restoration. It is a must-have for anyone looking to learn more about this area of expertise. The book covers a range of topics, including the history of the 400 day clock, common issues faced by clock owners, and how to troubleshoot and repair them. Get your hands on this book today and take the first step towards mastering the art of clock restoration.