O'Brien's Collecting Toy Cars & Trucks, Identification and Value Guide, 4th Edition
Karen O'Brien is the toy book editor for Krause Publications. A lifelong toy collector, her varied collection includes Tonka dump trucks, promos, model kits, assorted 1:43 cars and the Corgi Batmobile that started it all. She is also editor of Warman's[registered] Toys Field Guide, 2004 Toys & Prices, Classic Matchbox and Standard Catalog of[registered] Farm Toys.