Accelerated C# 2008
This book is available for download with iBooks on your Mac or iOS device, and with iTunes on your computer. Books can be read with iBooks on your Mac or iOS device.
All C# programmers need to know and understand how C# really works but very few books address this. No other book covers the subject in the depth that this one does. It teaches both core C# language concepts and how to use them in high-performance code.