Redgate is giving Illustrated C# 2008 written by Daniel Solis for free. It is 18.4 MB.
From the website
If you're a C++ or VB programmer migrating to C# 2008, this book is well worth reading. The author, Daniel Solis offers a very visual approach – with lots of figures, diagrams and code samples – that will help you get to work with C# fast.
download it from here