Holy Smokestacks! Here Comes a Steam Engine!

Choo Choo Bob is comin' round the bend! Choo Choo Bob is bringin' all his friends! Hey there, engineers! It's your favorite trainiac, Choo Choo Bob. The book you hold in your hands is a super-cool adventure that features me and all of my very best Bobville friends. Join us as we learn about our favorite thing in the whole wide world: trains!