I read the first edition of Framework Design Guidelines. It has good advice for application developers too.

I'm currently working my way through the Architecting book.

Both are highly recommended.

>There are some books like that out there, although they are standalone, not chapters in intro texts. Here are a couple:
>
>http://www.amazon.com/Framework-Design-Guidelines-Conventions-Development/dp/0321545613/ref=pd_bbs_sr_1?ie=UTF8&s=books&qid=1227194856&sr=8-1
>http://www.amazon.com/Microsoft%C2%AE-NET-Architecting-Applications-PRO-Developer/dp/073562609X/ref=sr_1_5?ie=UTF8&s=books&qid=1227194856&sr=8-5
>
>I have the first one (hot off the press) but haven't read it yet.
>