Hanley covers mayflies, sedges and stoneflies as well as terrestrials, but also nymph and adult stages of different damsels and dragon flies. After having read the book and tried a few patterns you would easily be able to apply the techniques to your own flies. My personal favorite is the Alevin, a small, discrete fish larva pattern found as the very last one in the book. Hanley gave me a bunch of samples of this pattern at a show once, and the word that comes into my mind is "cute", but I'm sure that "killer" will be more like it once it's used for fishing and not just held between the fingers. Many of the other patterns look very appealing too. Some of them are really great imitations in spite of their fairly simple construction. The book explains the basic technique of furling (twisting a material "around itself") and suitable materials and tools in the introduction, but soon goes into the single patterns, which are covered in depth with beautiful images of the finished flies as well as very detailed tying step photos. Kudos to photographer Glenn Kishi for a job well done on the pictures. As a good supplement there are lots of fishing pictures, all in excellent quality both technical and with regards to content. The book is printed in large format Author - Ken Hanley, Softcover, 114p.