Async in C# 5.0: Unleash the Power of Async - Alex Davies

If you're writing one of several applications that call for asynchronous programming, this concise hands-on guide shows you how the async feature in C# 5.0 can make the process much simpler. Along with a clear introduction to asynchronous programming, you get an in-depth look at how the async feature works and why you might want to use it in your application.
Written for experienced C# programmers-yet approachable for beginners-this book is packed with code examples that you can extend for your own projects.

[*]Write your own asynchronous code, and learn how async saves you from this messy chore
[*]Discover new performance possibilities in ASP.NET web server code
[*]Explore how async and WinRT work together in Windows 8 applications
[*]Learn the importance of the await keyword in async methods
[*]Understand which .NET thread is running your code-and at what points in the program
[*]Use the Task-based Asynchronous Pattern (TAP) to write asynchronous APIs in .NET
[*]Take advantage of parallel computing in modern machines
[*]Measure async code performance by comparing it with alternatives