The jacket blurb says this series comprises the most "accessible recognition guides." I'm not sure what that means, nor am I sure who this book is intended for but it wasn't me, nor, I suspect, any average backyard nature observer.
The illustrations are beautiful but as an identification guide it is totally useless. First, it is too inclusive. Butterflies and moths from the entire world are included, making its applicability limited. Worse, the insects are arranged not by color, size, habitat, or similar... more info