A 46-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 1980 release of their pioneering "World Class" yo-yo.
Trick book was written by Douglas Bahringer and illustrated by Kathryn Wade Du Four.
