Strobist Photo Trade Secrets, Volume 2: Portrait Lighting Techniques has been released.
Similar to Volume 1 (see our review here), you get a lot of great lighting tips, but this set is focused on shooting portraits and are even more affordable (only $17.99).
You will find 25 different portrait lighting scenarios (microlessons) and the vast majority are shot using only SpeedLights, and many using just one light.
Great lessons, a wonderful resource, so please head over to Peachpit and check it out for yourself.
FYI: the spiral binding you see in the images below are my own "hack" that you can learn more about in our other review.