Parsons or pumps?

Also titled: A souvenir. Sydney : The Central Press Pty. Ltd., [between 1939 and 1945]. Duodecimo, original card wallet with illustration of a boomerang and printed information for postal use, staple bound, pp 79, [1], a very good copy. 

A Christian publication distributed to Australian soldiers during World War II. 

“If you are sending this little book back to friends at home, you may like to take this opportunity of letting them know how you stand in relationship to God.” (p.[80])

Copies are recorded in two Australian collections (State Library of New South Wales; National Library of Australia).