Investing in G.I. Joes

From starting out as mere kid's entertainment but successful and popular toys, G. I. Joe action figures, vehicles and other accessories have become very profitable investment items now whose values can range to the thousands. Decades have passed but these toys are still very much collector's items inspiring the new kids of today and the adults who grew up with them. With the revitalization of their toy line and comics and upcoming movies and cartoons to boot, there's still plenty of life in these toys and this just means they would be more valuable as investment items.
But would their value continue to increase in the future? Find out as this book tries to shed light on the investment side of G. I. Joes.