by Philip Jose Farmer
Copyright 1982 TOR Paperback
Summary: "About a hundred years ago, a group of mutant supermen began playing a major role, in our affairs. It is no accident that Tarzan, Sherlock Holmes, Captain Nemo, and Doc Savage were contemporaries. Nor was it accidental that their biographers titillated their public with hints of their true natures while not daring to more than part the veil. Just what was it that restrained them from telling all? ... "
Cover art by Vincent DiFate. Interior illustrations by Rick J Bryant.
Paperback in very good condition.