This book is titled "Through Space and Time" Based on the Royal Institution lectures of Christmas 1933 by Sir James Jeans.
It is the 5th printing which was published in 1949 by the Syndics of the Cambridge University Press, Cambridge in Great Britain.
There are 224 pages in this hardbound novel and it measures 8.5" x 5.5".
The book includes a dust jacket that is worn with a few small tears at the top and along the bottom edges.
It comes in a good pre-owned condition.