id:ninjinkun started iOS programming meeting for beginners at our office. I joined it and started studying. The explanations of the textbook differ from the current Xcode but, with others' help, I managed to create an application referred in the book. I found it's kind of fun now I got it a little. I want to be able to make some.
At any rate, Kindle is very useful; if you get urged to buy some books suddenly, you can get them at the time via that tiny device. Tech-books tend to be written in so simple English that we can easily read it. It's, as well, much cheaper than the Japanese-translated editions. Why don't you get Kindle now? It's not so-called a stealth marketing ;)