51 books • 15 series
Book #2: Doc Savage #2
Book #3: Doc Savage #3
Book #23: Fortress of Solitude
Book #1: Doc Savage #1
Book #3: Sherlock Holmes and the Great Detectives
Book #3: War for the Planet of the Apes: Official Movie Novelization
Book #2: Blood 'n' Thunder, Volume Two, Number Two
Book #3: Sherlock Holmes
Book #9: Tarzan, Conqueror of Mars
Book #1: Pat Savage
Book #1: The Wild Adventures of Sherlock Holmes