Katie Kawa 
Cranes [PDF ebook] 

Cranes can be seen hard at work in big cities every day. There are many different sizes and types of cranes that are each tailored for a specific and very important job. With the help of easy-to-follow text, beginning readers learn about the many different kinds of cranes, from ones that stand tall to ones that can fly. Detailed photographs show these various cranes on the job in a way that makes learning about machines fascinating and fun.