Olaf, a name handed down for centuries since the time of King Olof Skotkonung of Sweden, is given to several characters with Swedish ancestry. The discovery of a mysterious substance with properties previously untapped is passed on from one generation to another. Over time, the Olafs find out more and more about the potential for this special rock. Their research is slowed down by finding a more useful substance, gold. The gold and its value tend to overshadow everything else as the Olafs use their riches for a variety of purposes. The study of the special rock, however, continues to yield some rather surprising results. Some come with unexpected perils involving everything from government intelligence agencies to small time hoodlums. Curl up and follow the adventures of Olaf's stone!

Seal Books / Bantam Canadian edition, 1979. Paperback. Adventure novel about a group of teenagers stranded on a planet of mutants, genetically manipulated beings, and out-of-control robots. There is a sequel, "Heart of Red Iron" (1989).