This vintage book titled "You Must Relax" by Edmund Jacobson is a valuable addition to any collection. 

Published in 1946 by Whittlesey House, this hardcover book is a Blue Ribbon Books Reprint Edition that is sure to impress. The book is written in English and covers topics such as self-help and relaxation. 

 The book is an original printing and has not been signed by the author. It is a great piece of literature for anyone interested in the subject of self-help. 

The book is a must-have for collectors and enthusiasts of vintage books.