Extra stamp on top page block. Tight and square with flat spine; light overall wear including 1/8" by 1/2"? (max) chipping at top of spine.

(Henry) Kenneth Bulmer is the author's full name. The first 18 of the "Dray Prescot/Scorpio" series appeared as by Alan Burt Akers. Numbers 19 through 37 appeared (on cover and spine) as by Dray Prescot, with this statement on title page: "by Dray Prescot as told to Alan Burt Akers." The series continued in German with numbers past 50.