We’ve compiled a collection of Bob Abbett covers, something we should have done years ago. Throughout the 1950s, 1960s and 1970s, working in a couple of distinct styles, he produced some of the most striking book fronts to be found on newsstands. See eighteen pieces of evidence below.

In pulp, a skinny dip always leads to an unexpected encounter. Possible results range from steamy sex among the water lilies to being scalped with a stone axe, but in all cases, getting naked in the woods is an open invitation to whoever—or whatever—might be passing by. As camping season draws near, we thought we’d share some book covers illustrating that immutable truth.