This hardcover book titled "Modern Watch Repairing and Adjusting" by E Borer is a valuable addition to any watch repair enthusiast's collection. Published in 1943 by NAG Press, it provides a comprehensive guide on repairing and adjusting modern watches. The book is written in English and covers topics such as watch repairing, making it an excellent learning aid for those interested in the subject. The book is in its original format and has not been personalised or inscribed. It is a vintage piece and would make a great addition to any collection. The book is not signed and does not come with an ex libris. Overall, "Modern Watch Repairing and Adjusting" is an excellent resource for those interested in watch repairing and a must-have for collectors.