The Secret of Skull Mountain is Volume 27 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap.
The Secret of Wildcat Swamp is Volume 31 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap.
The Clue of the Screeching Owl is Volume 41 in the original Hardy Boys series of detective/mystery books published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by James Buechler in 1962 while he was eighteen or nineteen years old.
The Mystery of the Aztec Warrior is volume 43 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap.
The Secret Agent on Flight 101 is Volume 46 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap.
The Mysterious Caravan is volume 54 in the original Hardy Boys Mystery Stories published by Grosset & Dunlap.
The Jungle Pyramid is Volume 56 in the original The Hardy Boys series of mystery books for children and teens published by Grosset & Dunlap. Written by Vincent Buranelli for the Stratemeyer Syndicate in 1977, it was published under the pseudonym Franklin W. Dixon.
The Firebird Rocket is Volume 57 in the Hardy Boys series of mystery books for children and teens published by Grosset & Dunlap. The book was written for the Stratemeyer Syndicate by Vincent Buranelli in 1978.
The Sting of the Scorpion is Volume 58 in the original Hardy Boys series of mystery books for children and teens published by Grosset & Dunlap. Written by James D. Lawrence for the Stratemeyer Syndicate in 1979, it was published under the pseudonym Franklin W. Dixon.
Night of the Werewolf is the 59th title in the Hardy Boys series of mystery books for children and teens, published under the pseudonym Franklin W. Dixon. It was published by Wanderer Books in 1979 and by Grosset & Dunlap in 2005.
The Mystery of Smugglers Cove is the 64th title of the Hardy Boys series of detective/mystery books written by Franklin W. Dixon. It was published by Wanderer Books in 1980 and by Grosset & Dunlap in 2005.
The Vanishing Thieves is the 66th title of the Hardy Boys Mystery Stories, written by Franklin W. Dixon. Wanderer Books published this book in 1981 and Grosset & Dunlap published this book in 2005. As of 2018, this is the last Hardy Boys story to be published by Grosset & Dunlap.
The Outlaw's Silver is the 67th title in the in the Hardy Boys series of mystery books for children and teens, published under the pseudonym Franklin W. Dixon. It was published by Wanderer Books in 1981.
The Submarine Caper is the 68th title of the Hardy Boys series of detective/mystery books written by Franklin W. Dixon. It was published by Wanderer Books in 1981.
The Billion Dollar Ransom is the 73rd title of the Hardy Boys series of mystery books for children and teens, published under the pseudonym Franklin W. Dixon. It was published by Wanderer Books in 1982.
The Crimson Flame is the 77th title in the Hardy Boys series of mystery books for children and teens, published under the pseudonym Franklin W. Dixon. It was published by Wanderer Books in 1983.
Eye on Crime is Volume 153 in the Hardy Boys series of mystery books for children and teens published under the pseudonym of Franklin W. Dixon.
The Caribbean Cruise Caper is volume 154 in the Hardy Boys series of detective/mystery books by Franklin W. Dixon, published in 1999.
Crime in the Kennel is the 133rd title in the Hardy Boys series of detective/mystery books, written by Franklin W. Dixon.
Cross-country Crime is the 134th book in the Hardy Boys series of detective/adventure books, a series written for teenage readers over many years by a number of ghostwriters, most notably Leslie McFarlane, under the pseudonym of Franklin W. Dixon.
