By Robert K. Ressler & Tom Shachtman. Ressler "coined the phrase 'serial killer' and advised Thomas Harris on The Silence of the Lambs," and this is a must-read in the genre -- as important as John Douglas's work, but less self-important, too.
This paperback is in fine fettle, considering: some edgewear, but only the faintest spine crack, clean pages holding steady. A nice reading copy with which to cross it off your lifetime true-crime-TBR list.