One of the things that was easy to do with the older Bookshelf (BookManager) publications was search within a specific z/OS component like Communications Server. There is also a way to accomplish this with the z/OS V2R1 Information Center available at: http://pic.dhe.ibm.com/infocenter/zos/v2r1/index.jsp
Here are the steps to create a search scope of only the z/OS Communications Server books:
1. Access the search area and select Scope.
2. Select New.
3. Name your scope and select the z/OS Communications Server library. Optionally, select any additional criteria. Press OK.
Now when you click on Scope, you will see the following:
You can establish similar "book shelves" for other product publications you want to search, perhaps UNIX or LE. You can also create more granular scopes for just one book, such as this one:
Happy searching and reading!