Trembling's Tours

Written by Michael Gilbert

Copyright 1962

Published in the UK magazine Argosy, 07/1962. Also printed as Fear and Trembling's in 3 issues of Ellery Queen's Mystery Magazine (US - Oct. 1963, UK - Feb. 1964 & AUS - Apr. 1964). Printed in the collection Game Without Rules.
Calder goes undercover at a travel agency to uncover an espionage operation involving sneaking classified documents out of the country using an illegal porn smuggling team. Things get even more dire when two different murders are committed.