There are 3 books in the Astonishing Tales (1970-1976) series. The newest book is Deathlok the Demolisher which came out in 2014.

1
Marvel Masterworks

By Stan Lee , Gerry Conway, Roy Thomas

Book cover of Marvel Masterworks: Ka-zar - Volume 1
Beyond the cold Antarctic wastes, in the depths of a secret hidden jungle, Ka-Zar rules the Savage Land. Populated by dinosaurs, barbarians and saber-tooth tigers, this land that time forgot is threatened from beyond its borders by enemies including Kraven the Hunter and madmen still fighting World War II -…
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2
Mockingbird

By Roy Thomas, Mike Friedrich, Steven Grant

Book cover of Mockingbird: Bobbi Morse, Agent Of S.h.i.e.l.d.
Discover how Barbara Morse became the Avenger known as Mockingbird! She's a S.H.I.E.L.D. scientist who's trained for action and destined for greatness, and she's hunting down the Man-Thing in the Savage Land - with a little help from Ka-Zar! But what happens when the wild man follows Bobbi back to…

3
Deathlok the Demolisher

By Doug Moench , Bill Mantlo , Rich Buckler , J.M. DeMatteis (illustrator) , Mike Zeck (illustrator)

Book cover of Deathlok the Demolisher: The Complete Collection
Collects Astonishing Tales (1970) #25-28, 30-36; Marvel Team-Up (1972) #46; Marvel Spotlight (1972) #33; Marvel Two-In-One (1975) #27, 54; Captain America (1968) #286-288.

Col. Luther Manning has been locked in a state of living death. He is no longer a man, but a mockery of a man. He has become…