"How to Repair and Maintain American V-Twin Motorcycles" by Sara Liberte is a comprehensive guide for motorcycle enthusiasts looking to keep their V-Twin engines in top condition. Published in 2006 as part of the Motorbooks Workshop Series, this revised edition features detailed instructions, illustrations, and information on how to troubleshoot and maintain these iconic American motorcycles. With 160 pages of expert advice, this book is a valuable resource for anyone looking to extend the life of their V-Twin motorcycle.