1. Rod Machado's book - unputdownable and hilariously funny - but you already have that. Some of the material could do with an update.
2. ASA Flight School and Ground School books for in depth reading and reference
3. ASA's test prep questions
4. A copy of FAR/AIM for reference if you don't have permanent online access
and, depending on how you commute to work, for review until you sit the exam...
5a. Rod Machado's book on CD for in the car
or
5b. ASA's PPL video series on a laptop in the train - although the latter are a bit too much focused on "just the question database material".
The FAA requirements are much more sensible in terms of depth of knowledge required to actually fly
Agreed, but he's from Indiana. Anybody in Indiana going for an JAA/EASA license should immediately contact their AME to determine whether some form of restricted medical certificate can still be issued.
The exam-program also includes useful software nowadays. Check with the examination provider (CATS/Lasergrade/etc...) about wind triangles/metric conversions/weight and balance etc...