Numerology meets Dan Millman, interesting but not spectacular. The explinations on how to find your birth number verge on insulting. Quite a quick read as you really only have to read the bits revelant to you.
Other than some interesting math and some good, general advice, I really don't put much into the theory that our birthdays determine who we are "meant to be." The section on "Laws" was interesting to read - I especially resonated with the "Law of Cycles." I'm all about the circle, y'all. Other than ...