read all about it.....just click "download" (its next to the share box)
you'll get the full story with all the details
https://docs.google.com/leaf?id=0B6...Yjc3MS00ZjQwLWE4M2ItOWM4YmI2M2M5ZGFh&hl=en_US
Should have referred to it as a 'booklet', pamphlet makes it sound simple and cheap, probably not worth $100. The like was more of an advertisement, or bragging, not even a hint as to what to expect for $100 ($80 if you pre-order).
I have no doubts, that he is going to sell a few of these, until somebody scans it in, and posts it online for free... Might make enough to buy a nice detector though.