I would love to see a book version of this

, DVDs are great but its nice to read up on the effects and methods

Some of this stuff needs to be seen in dvd to get the whole idea of how to perform it convincingly.
A lot of his work is based on subtle misdirection, verbal cues and psychological forces which are much easier shown than described, especially with things such as the invisible deal, doublethink, and the psychological forces.
Get the dvd, you won't be disapointed. Get Pure Effect alongside it, there is enough extra included within TDP to justify buying it.