Castles in the Air / The Green Ripper / Casa Madrone (Detective Book Club)

Donald Edwin Westlake was an American writer, with over a hundred novels and non-fiction books to his credit, writing under at least 20 pseudonyms. He specialized in crime fiction, especially comic capers, with an occasional foray into science fiction or other genres. He was a three-time Edgar Award winner and in 1993, the Mystery Writers of America named Westlake a Grand Master, the highest honor bestowed by the society. Source: wikipedia

John D. MacDonald was born in Sharon, Pennsylvania. He attended the Wharton School of the University of Pennsylvania but dropped out to move to New York City, where he took menial to support himself. While attending the School of Management at Syracuse University, he met Dorothy Prentiss, and they married in 1937. He graduated from Syracuse the following year, and in 1939 he received an MBA from Harvard University. During World War II he served in the Office of Strategic Services in the Far...

An American author of mystery novels. She had one of the longest careers (from the 1920s to the 1980s) among major American mystery writers (<a href=https://en.wikipedia.org/wiki/Mignon_G._Eberhart>Wikipedia</a>).