The Lord John series is a sequence of historical mystery novels and shorter works written by Diana Gabaldon that center on Lord John Grey, a recurring secondary character in the author's Outlander series. Secretly homosexual "in a time when that particular predilection could get one hanged," the character has been called "one of the most complex and interesting" of the hundreds of characters in Gabaldon's Outlander novels. Starting with the 1998 novella Lord John and the Hellfire Club, the Lord John spin-off series currently consists of six novellas and three novels. Source: Wikipedia (en)