Professor Hagemann, for many years interested in the hard-boiled, tough-guy writers, has completed this comprehensive index to Black Mask magazine. A task that took many years as a labor of love, this study is a thorough and accurate index to a magazine that furnished a publishing place for many of the writers of hard-boiled detective fiction. | A Comprehensive Index to Black Mask 1920-1951 by E. R. Hagemann, Paperback | Indigo Chapters