Franklin W. Dixon

The Secret of Pirates' Hill is Volume 36 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by John Almquist in 1956. Between 1959 and 1973 the first 38 volumes of this series were systematically revised as part of a project directed by …

The Secret of Skull Mountain is Volume 27 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by George Waller Jr. in 1948. Between 1959 and 1973 the first 38 volumes of this series were systematically revised as part of a project …

The Secret of Wildcat Swamp is Volume 31 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by William Dougherty in 1952. Between 1959 and 1973 the first 38 volumes of this series were systematically revised as part of a project …

The Secret of the Caves is Volume 7 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by Leslie McFarlane in 1929. Between 1959 and 1973 the first 38 volumes of this series were systematically revised as part of a project directed by …

The Secret of the Lost Tunnel is Volume 29 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by Andrew E. Svenson in 1950. Between 1959 and 1973 the first 38 volumes of this series were systematically revised as part of a project …

The Secret of the Old Mill is Volume 3 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. The book ranks 86th on Publishers Weekly's All-Time Bestselling Children's Book List for the United States, with 1,467,645 copies sold by 2001. This book is one of the "Original 10", generally …

The Shattered Helmet is Volume 52 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by Andrew E. Svenson in 1973.