Franklin W. Dixon

The Haunted Fort is Volume 44 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by David Grambs in 1965.

The Hidden Harbor Mystery is Volume 14 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate in 1935, purportedly by Leslie McFarlane; however, the writing style is noticeably different from other books in the series known to have been …

The Hooded Hawk Mystery is Volume 34 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by Charles S. Strong in 1954. Between 1959 and 1973 the first 38 volumes of this series were systematically revised as part of a project directed by …

The Jungle Pyramid is Volume 56 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by Vincent Buranelli in 1977.