aka Donald E. Westlake AND Lawrence Block

Lawrence Block and Donald E. Westlake using their pseudonyms

1960 Midwood paperback original

reissued  with two other books jointly written by these Grand Masters by Subterranean Press in 2010 as Hellcats and Honey Girls

Heads You Lose x 5

1943 Dodd Mead hardcover, first edition

1944 Dell reissue

cover art by Ben Hallam, mapback by Ruth Belew

1958 Dell reissue

original title: Blood on the Black Market

cover art by Robert Stanley

better image than previously posted

cover art by Robert McGinnis

1964 Mayflower Dell reissue

above art repurposed from 1958 Dell edition of Frank Kane’s Syndicate Girl

1965 Dell reissue

cover art by Robert McGinnis

better image than previously posted

1961 Gold Medal paperback original – cover art by Mitchell Hooks

pseudonym of Richard Jessup

1961 Gold Medal paperback original

cover art by Mitchell Hooks

4th tongue-in-cheek spy thriller with Monty Nash

better image than previously posted