Several schools offer iPhone programming courses now, and the course materials for many of them are available online. Following are some of them:
• Stanford CS193P iPhone Development class:
All the lectures and assignments from the course are available on the course website. The course was taught by Apple engineers and goes into more detail than this book did. Some of the advanced topics covered in the class but not in this book include threads, scroll views, and advanced table view usage. http://cs193p.stanford.edu
• Google group for CS193P auditors: After the lectures for CS193P were put on iTunes U, a community of developers who were all working on course assignments sprouted up on Google Groups. There are hundreds of ...