Three masters of mentalism each give you a routine using a classic mentalism technique. For me J. Prager's routine of divining the first number of a spectator's credit card and the first number of its PIN is the best, most useful one in the book. I was familiar with the thinking behind this (It's in one of Thompson's Naked Mentalism books), but had never thought to routine it this way. Once you read how it's down, you'll be able to do it immediately with two pieces of paper, a pen, and a spectator with a credit card. It's excellent.
Peter Turner uses the same technique in a prediction effect, where you give someone an envelope a week ahead of time and tell them to bring it along with them later for the demonstration. This one shows Turner's clever thinking, but even he admits, it's really for promotional value or auditioning for a job since it is a one-on-one routine.
Lastly, Luke Jermay gives you his oldest close-up routine, again using the same ancient technique. Little wonder, he's been using it so long: It's just a variation on Cassidy's Name and Place routine, spiffed up a bit. You might find Jermay's subtleties to your liking--or you may not. In any event, there's nothing new here.
In summary, this will probably be worth your while if you use Prager's routine and at least one other. I'm going to add Prager's routine immediately to my wallet repertoire. I already do Name and Place and would like to do Turner's prediction routine if I ever find a situation for it. So for me, it was a good, but not earthshaking, purchase.