Welcome back to the farm! In this book, you will meet Curtis, an Allis Chalmers crawler tractor that arrives on the family farm. Rex isn't sure how he feels about sharing the farm with another tractor. Join Rex in his latest adventure and find out how he deals with this unexpected change. This is the 2nd book in the Rex the Rumely series. It is sure to delight young readers as they follow Rex on another farm adventure!