It's been discussed before but why not discuss it again.
I did not find Camara's book useful. Problems don't match up to test problems. Your other choices will do nicely. Here's additional stuff I recommend:
- Georgia Tech prep course
- Complex Imaginary sample tests
- Complex Imaginary NEC drill book
- Graffeo's book. Engineer's Guide to Passing the Power PE (I always screw up the title. You'll find it.)
- Spin Up sample test book
- The internet and Youtube. Type in what you have a question about and someone is bound to have info. Print off a copy and carry it into the test.
- [COLOR= rgb(255, 0, 0)]An NESC book. Although you'll probably just need the table of contents.[/COLOR] Seriously.
- Take your favorite power system textbook in for moral support.it may help on transmission line questions.
- Look online for energy management and utility rate info. I'll be glad to send you some pages if you'd like. it can be hard to find.
- As you do final reviews the last 2-3 weeks make up your cheat as you go along. It will help ingrain the info into your head.
Just my opinion.