I bought this book to occupy my disruptive students when they crack. It is very beautiful and very interesting as a leaflet accompanying each drawing. Moreover, it does not necessarily need to be colored. But the drawings are somewhat complex. Too big to be photocopied (we photocopying quota in education) or even scanned. But it is very rich and make me many years. The paperback binding (as a paperback book) does not allow to color flat without breaking your back (and the majority of drawings occupy two pages).