1968, hardcover book club reprint edition (this omnibus includes the first 4 cases of Ivor Maddox of the Hollywood Police Department: Greenmask! / No Evil Angel / Date with Death / Something Wrong), Doubleday, NY. 625 pages. Linington wrote under numerous other pen names, including: Dell Shannon and Lesley Egan. Here are police procedurals written by an absolute pro, who had a remarkable writing career.