By John Charlcraft (Rail Photoprints)
Photos of every class 50 in the period between the arrival on the Western but prior the Network SouthEast era. 
 
The book has a simple but effective format of two or three pictures and captions per page, and away from the introduction (and the section on the depots) the locos appear in numeric order.
 
First published in 1985 these books have been in store since then, so they are old, but not previously owned.