Mission Viejo, CA & Clarkston, MI: A.S.A.P. (Airtight Seals Allied Production), 1994. SIGNED first edition - A slim soft-cover volume featuring a bibliography of O'Callaghan's works - she is considered the author of the first story in the US featuring a female licensed private investigator. Includes an appreciation by Marcia Muller and an afterword by Wendy Hornsby. and two short stories by O'Callaghan, including "Sorry Frank", the first Delilah West story originally published in Hitchcock's Mystery Magazine in January 1974. Full color author photo tipped inside front cover. A limited edition, #144 of 200 copies, SIGNED by all four contributors - O'Callaghan, Muller, Hornsby and Parks - on the limitation page. 51 pp.