Catch-22 by Joseph Heller
For more unique takes on WWII, try these…
Slaughterhouse-Five by Kurt Vonnegut for another classic satirical exploration of the madness of war.
The Teleportation Accident by Ned Beauman for a madcap globetrotting WWII adventure that was long listed for the Man Booker Prize.
HHhH by Laurent Binet for a fictional retelling of the assassination of high ranking Nazi officer Reinhard Heydrich, an architect of the Holocaust.
Look Who’s Back by Timur Vermes for a novel that has Hitler waking up alive in 2011, and gaining a cult following as a Hitler-impersonator.