Based on stories by Hazel Adair, Don Houghton and Peter Ling for the television serial originally devised by Hazel Adair and Peter Ling.
Originally published: London : Everest, 1975.
Crossroads, a warm breeze by Malcolm Hulke. ISBN 0727401785. Published by White Lion Publishers in 1976. Publication and catalogue information, links to buy online and reader comments.