[K. Molen]

Nope. I keep my entire collection on my reader, sorted into categories.

All books are in one of the following categories:

Fiction
Non-Fiction
References & Manuals

Then some books are also in the categories:

Unread

OR

Currently Reading

So when I want to read something new I browse my Unread category, and upon choosing a title, I move that from Unread to Currently Reading - while also keeping it in its Fiction/Non-Fiction category.

And when I want to continue reading something I'm in the middle of, I just open the Currently Reading category and choose from the 3-4 books I usually have on the go.

With this system I don't find it necessary to ever clean up my reader, since everything is nice and orderly, and I rarely have to browse page after page looking for something. Yet if I do want to just browse my collection, I can easily do so from one of the three main categories.

I suppose I could add a new category of "All Books" if I ever felt the desire to browse every single title, but for now that hasn't happened outside of Calibre.