That is interesting, judith. I like Robert McCammon but had no idea he was up to that many books in the Corbett series. Will have to take a look!

Daniel Pratt Mannix IV (October 27, 1911 – January 29, 1997) was an American writer, journalist, photographer, sideshow performer, stage magician, animal trainer, and filmmaker. His best-known works are the 1958 book Those About to Die, which remained in continuous print for three decades and became the basis for the Ridley Scott movie Gladiator; and the 1967 novel The Fox and the Hound which in 1981 was adapted into an animated film by Walt Disney Productions.

Mannix covered a wide variety of subject matter as an author. His books ranged from fictional stories for children, novels for adults featuring animal characters with accurate biology and psychology, the natural history of animals, and adventurous accounts about hunting big game to sensational adult non-fiction topics such as a biography of the occultist Aleister Crowley, sympathetic accounts of carnival performers and sideshow freaks, and works describing, among other things, the Hellfire Club, the Atlantic slave trade, the history of torture, and the Roman games. In 1983, he edited The Old Navy: The Glorious Heritage of the U.S. Navy, Recounted through the Journals of an American Patriot by Rear Admiral Daniel P. Mannix, 3rd, his father's posthumously-published autobiographical account of his life and naval career from the Spanish–American War of 1898 until his retirement in 1928.