Ex Libris discussion

What do you do with books after you have read them? First thing, I enter the title and author in my "book of books". I belong to paperbackswap.com which is a great way to share. They don't allow trading of advance copy editions, however, which means the some of the goodread giveaways aren't eligible. A local bank collects books for military service members. I have donated to the county library and to my grandkid's school. The thing I am least likely to do is keep a book just to have it. What about you?

I used to have a library full of books that I amassed since high schools (thus over 20 years). These range from science textbooks to paperback/hardback fiction. Unfortunately, since grad school I haven't had time to go through books like I used to and therefore I started borrowing books and e-books through the library. I also move a lot so to cut back on moving expenses (lots of boxes equal more money) I donated most of my collections to the local library and resold most of my textbooks to Amazon.com. Right now I still have a few fiction titles in hardback that are favs and books that have been given to me that hold a special place in my heart. If I DO buy a book, I will purchase a USED copy for under $5.