A 48-page, soft-bound Duncan Yo-Yolympics trick book, published 1979 by Flambeau Products Corporation, Baraboo, Wisconsin. Printed in the USA. This booklet was included in the display box of Duncan's 1979 release of their pioneering World Class yo-yo and also the Duncan Yo-Yolympics Championship Set.
Trick book was written by Douglas Bahringer and illustrated by Kathryn Wade Du Four.
