Mystery novels are published in a number of subgenres to satisfy the tastes of every reader. Not only do we have the traditional mystery—also known as the cozy—there are historicals, suspense and thriller novels, crime, police procedurals, private eyes and senior sleuths (also known as “geezer lit”). Then there are medical thrillers, romantic suspense as well as science fiction mysteries and the niche novels that cover endless subjects. The mystery writers interviewed here have written articles about various aspects of publishing, including writing techniques, marketing, promotional advice and their opinions on the current state of the publishing industry. The advice offered here is invaluable to fledgling writers, so pull up a comfortable chair and begin the mysterious tour of nearly every subgenre.