Catherine Veitch 
Big Machines Build! [PDF ebook] 

These fabulous books are a must for any young reader with an interest in vehicles and machines. Each book is filled with amazing machines, fun facts, jokes, and age-appropriate text in colourful boxes. This book takes a close look at building and construction machines including giant drills, excavators, cranes, and bulldozers. Find out which building machine is the mightiest of them all!