The Core iOS 6 Developer's Cookbook
Erica Sadun
IOS 6 Programming Cookbook
Vandad Nahavandipoor
Programming in Objective-C
Stephen G. Kochan
iOS Programming: The Big Nerd Ranch Guide
Christian Keur & Aaron Hillegass
Flask Web Development: Developing Web Applications With Python
Miguel Grinberg
Joe Conway & Aaron Hillegass & Christian Keur