Introducing NLP is an excellent book to get started in. Now then, you've left some vague questions. If you're tying to learn NLP, which is more than just language patterns, than Introducing NLP is a great place to start. If you're trying to learn language patterns, then, it's a good place to start, but, you're not going to get the huge knowledge that you need to succeed.
On Ross Jeffries, avoid his Speed Seduction course. It's incredibly poor in my opinion. First off, just by signing up with Ross Jeffries newsletter, you get a ton of free information, should you want to check out his material, I would recommend spending the money on the RJSeminarVault, that is an incredibly good program...
Okay now, since you're on a seduction board, I'm guess your interest is how this can help you with women. The best social program is probably Steve Pelliari The Art of Covert Hypnosis, it's powerful, a bit expensive at 200 dollars, but, truly informative, and it has good solid roundabout class on NLP as well. If you want to truly learn hypnotic language you can't really go wrong with The Power of Conversational Hypnosis. But, if you're looking for a more directly explained structure to using NLP and conversational hypnosis with women, you will want to check out, The Sexual Key.
Now, on to those evil banned patterns. In10se has released the official October man , JK Ellis of
www.Forbiddenpatterns.com gives you a lot of solid information for a reasonable price. But, if you want a great deal of information, all in one spot, you may want to check out Mind Control Language Patterns... I've gotten some questions of my human existence by my recommendation. yes, it has some bad reviews. I gave it a positive review, I thought it was stuffed full of great information. You can make up your own mind.
If you want to truly develop a powerful knowledge of language and NLP, you'll eventually want to find yourself to Patterns of the Hypnotic Language of Milton Erickson by Richard Bandler and John Grinder, also, in my opinion, though few people seem to use it, and it's highly disregarded, The Structure of Magic Volume 1 and 2 by Richard Bandler and John Grinder.
Any questions feel free to PM me.