Notes: • First edition thus (not stated.) • First printing has gutter code "39R" [verified] on page 532, indicates a printing date of September 1975. PV7 has "39 R" on page 529. • Known reprint codes: "R39" [verified]; "S10" and "S19" printed in 1977; "U7" [PV6] February 1978; no code and the SFBC# on the back cover [verified] at least '86/'87 • A Fall '75 selection of the SFBC • Jacket painting by Larry Kresek. • The unnumbered pages before Page 1 have been counted and added to this record in order to place the Introduction. • A prologue, two interludes, and an epilogue appear to be newly written as connective material for this omnibus of the three novels. • Necromancer Copyright 1962; Tactics of Mistake Copyright 1971; Dorsai Copyright 1959, Published in Astounding Science Fiction May, June, July 1959