(陳 式 太 極 拳 圖 說) by Chen Xin (Ping San). 497 pages with over 100 illustrations. Original edition published in 1953. The pages have yellowed and the spine is loose from the front cover.
This book includes explanations on every facet of Chen Style Tai Ji Quan, providing very detailed instructions of the Chen Solo Form, Reeling Silk exercise, philosophy, Qi meridians, and so much more. What the Chen Kung books are to Yang Style Taijiquan, this book is to Chen Style. Its depth is really amazing.
This book is no longer available.