"The Cattleyas and Their Relatives, Vol. 1: The Cattleyas" by Carl L. Withner is a hardback book focusing on the topic of flowers, specifically orchids. 

Published in 1988 by Timber Press, Reprint 1995 -Incorporated, this nonfiction book covers the Cattleyas in depth, 
with 147 pages filled with information and illustrations. 
Written in English, this book is a valuable resource for those interested in gardening and orchids, providing valuable insights and knowledge for enthusiasts and professionals alike.