Mitchell & Markby are the main characters in a series of mystery/crime novels written by a bestselling English author of mystery and thriller books, Anna Granger. Detective Superintendent Alan Markby works alongside his girlfriend Mitchell to solve crimes. Granger began the publication of Mitchell & Markby series in 1991 when Say It with Poison, the first book in the series was published. The series lasted 15 novels concluding in 2004 when That Way Murder Lies was published