Many customers requested app arch guide 2.0 team of Microsoft for smaller, more focused guides. As a result, Microsoft created a series of application architecture pocket guides based on Application Architecture Guide 2.0. Each guide is focused on a particular topic.
Microsoft prioritized topics based on customer demand. Some customers wanted a focused guide on just the Agile Architecture Method, while others wanted a focused guide on the particular type of applications they build (Web, Rich Client, … etc.)
Application Architecture Pocket Guides
Here’s the initial set of pocket guides from Microsoft: