The Giant Book of YO-YO Tricks Duncan Return Top 1961 by Donald F. Duncan No. 16 is a vintage softcover book that contains a collection of yo-yo tricks by renowned author Donald F. Duncan. Published in 1961 in North America by Donald F Duncan Inc, this original book presents a comprehensive guide to mastering yo-yo skills, focusing on the Duncan Yo Yo brand. The book is a valuable collectible for enthusiasts of antique and collectible books, providing insight into the world of yo-yo tricks and the history of Duncan Yo Yo products. Good condition