How does a concrete mixer truck work? Howmany wheels does a tractor-trailer have? Andhow is a tanker truck filled? These and manyother questions will be answered in this book, tobe discovered through 10 fabulous pop-ups.Crane lorries, fascinating fire engines, irresistiblemonster trucks and other trucks and theirfeatures are told through a wealth of colourfulillustrations, enhanced by spectacular pop-ups.There are also a whole range of curious andinteresting anecdotes to help you explore thevarious subjects in greater depth, making thisvolume a stimulating read and an opportunity toplay.