Cyborg IV

From The Bionic Wiki

Cyborg IV was the fourth and final Martin Caidin-penned novel of the Cyborg series. Its original publication came in April 1975 by Arbor House Publishing. In this original edition, it was subtitled, The "Six Million Dollar Man" in a space adventure of the near future. Its first paperback release came in 1976, when it was the sixth and final numbered entry of the Six Million Dollar Man Warner paperback series

Martin Caidin's Cyborg series of novels
Cyborg (1972) | Operation Nuke (1973) | High Crystal (1974) | Cyborg IV (1975)

Six Million Dollar Man numbered Warner paperbacks
#1 Wine, Women and War | #2 The Solid Gold Kidnapping | #3 High Crystal | #4 PIlot Error #5 The Rescue of Athena One | #6 Cyborg IV