this cool collection Wayne offers us Joe Hannibal stories spanning 30 (!) years.
Showing not only how his PI Joe Hannibal has changed over the years it also shows how the genre itself has evolved. The first two stories in this collection are very much Mike Hammer like stories, but the later ones show how Hannibal becomes a character of his own, as does Wayne's writing style.
Take a look why the short story form is a fantastic vehicle for hardboiled detective stories and take a look why Wayne has been thrilling reader for decades.