This vintage book is a valuable resource for collectors of collectible clocks. It contains detailed sales catalog information for clock parts and is written in English. The title of the book is "Keep Book S. La Rose, Inc. Clock Movements" and it was distributed to horologists by S. LaRose, Inc. The book is a must-have for anyone interested in clock parts and is a testament to the craftsmanship of the past. Estate Find! Excellent Condition!