Novelization of 4 Season One episodes.
1) Heroes, by James McAteer: the names of witnesses to an assassination are disclosed and CI5 must protect them while going after the killers.
2) Private Madness, Public Danger, by Anthony Read: a crazed chemist is determined to destroy London's water and likes to demonstrate his plans.
3) The Female Factor, by Brian Clemens: a foreign agent is extorting classified information from a man who might soon be the new PM.
4) Everest Was Also Conquered, by Brian Clemens: CI5 is asked to show a suicide of a prosecution witness was really murder but the witnesses keep dying.