Also includes the Value Guide & Inventory. The International Directory of Model Farm Tractors & Implements featuring John Deere explains the collecting of John Deere scale model toys including what is an Official John Deere Collectible and What is Not? How to get started in the John Deere collecting world as well as explaining size and scale. Learn all you need to know about collecting and preserving the history of John Deere model farm toys with these detailed books!