Timelost. (Timex/Sinclair version)

Timelost is the first book in a new unique series of integrated comic adventures and computer action games.
A teenage computer whiz and his young sister are swept through Time Holes and meet attacking Warbirds of the past, a mysterious man from the future, and a sinister Time Wizard.
Each lost-in-time adventure is combined with an arcade-type computer action game. Explanations help new users to learn programming and suggested variations challenge young users to create more game fun.