If I'm being honest, I'm not a very big fan of Rich Osthoff"s books. They are mediocre; however, his soft hackle wooly bugger is awesome. Now, I realize that this fly is nothing new, but it does use hen for the hackle rather than rooster, and the two step process Rich uses to dub and hackle his fly lends itself nicely to creating your own favorite variation.
Hook: 2xl or 3xl nymph (I use 2xl a lot)
Thread: 6/0 you choose the color
Body: Dubbing of your choice
Hackle: Hen neck or hen saddle