The books, herein, are all later editions of the Dark Matter Transit, Trilogy, previous editions needed 18 5/5 star awards from readers in the UK/USA/Australia/Spain/Netherlands
In book 1. A lone Royal Air Force Airman (Geoffrey Holder) is, by an accident of nature and alien technology, beamed aboard the leviathan Spaceship, the QvO. The ship is manned by the descendants of slaves that were captured by the Rap Empire from the planet Earth and bred as slaves to serve the Raps. In time the slaves staged a successful insurrection and overthrew their Rap masters and subsumed their empire.

There is no way back to Earth for Geofffrey, so he elects to join the crew of the QvO, in which he serves with growing distinction. The Qvo voyages the cosmos using using Dark Matter Transit, which exploits that dark matter has no physical dimensions.

The books are crammed end to end with new adventure, such as the huge flocks of pterodactyl like animals that spend their lives drifting in space and from time to time they drop down, in overwhelming numbers, upon an unspecting planet to consume all living creatures and plants upon its surface.

In here learn of the of Terrabots (AI) who were abandoned by their humanoid owners who fled the planet to escape an impending asteroid collision. However, even though the collision did occur, the deserted robots did not require food, air, controlled temperature, schools nor daylight or medical facilities. In time they commenced to construct more robots and then space ships, and they evolved to became a new race governed by Machine Law Machine is incompatible with humanoid social law . This incompatibility of law spills over into warfare, wherein, Terrabot uses Earth as a bait to draw the ex slaves into inequal combat.

In book 2. You go to fun planet, which is a planet owned completely by a galactic entertainments company. Or, meet the Zylex who cultivate ffriendships with species from other planets, with a vew to using them as food. World War Three also erupts in this book.

In book 3. The Terrabot wars, internecine war breaks out across the galaxies between biological life forms and the robots.

There is hardly a page of an of these books which does not contain an adventure or new concepts of space, and space warefare.

None of these books rely upon profanities or explicite sex, to sell the stories so they can be given, as a gift, to a teenagger or an adult, without you becomming embarrassed by the content