Apple’s iBooks is offering 30 mystery novels for $3.99 or less, all of them past winners of the Edgar Awards. The Edgars—short for the Edgar Allan Poe Awards—are handed out by the Mystery Writers of America, an author’s guild. The sale is promoting eight 2017 Edgar winners (from $2.99 to $20.99) and 21 nominees (from $3.99 to $14.99), but the 30 past winners are all on sale. Authors in the sale catalog include Eliot Pattison, Otto Penzier, Allison Gaylin, S.J. Rozan, Melanie Rehak, James Patterson, and some fellow named Michael Crichton (A Case of Need), and many more.