From title page/introduction:
The Traveller Adventure titled Shadows was used as the Traveller Tournament situation a WinterWar 1980.
Substantial portions of the Traveller Adventure title Annic Nova originally appeared in issue number 1 of The Journal of the Travellers' Aid Society, which appeared in June, 1979. Issue number 1 is now out of print, and no longer available from the publisher. Material has been rewritten, and interior drawing have been re-executed for this edition.