Usually after I've read them, I know whether or not I'll want to read them again in the future or not. If I enjoyed it that much to re-read it, I'll keep it. If I know I'll never pick it up again, I'll give it away or sell it - that way at least I know it's being of some use to someone :)
I normally keep my books except if it was particularly boring (to me, might be interesting to somebody else). I catalogue all my books in a database so I know what I have - helpful in a 3,000+ library. Lately I have bee more selective and have given all books I don't wish to retain to a lady who lives in my village.
I keep them all. I have a library at home. Many books are borrowed by friends and not returned. I treasure every book more than gold. I hope to pass it to my grandkids. My only legacy.
Idzan Ismail of Kuala Lumpur
I usually keep the books I love so much I know I'll want to read them again. With the others, I donate the books to the local jail or to one of the prisons in my state. (BTW, jails and prisons generally don't want violent, gory, hate-filled, or sexually explicit books. Since I only review "good, clean fun," my book donations are very appreciated by both the unit and the bored inmates.)
I'm a hoarder too. I can't bear to part with a book unless I have a second copy or I really hated it. Other than that...I just keep adding to them to my bookshelves..just the way I like it. ;)
I keep almost all my books thereby creating a large in home library. If I happen to have books that have been given to me by friends that are not my type of reading material, I either sell them at yard sales, or give to the library book store.
I give them away. If they are young adults I give them to my local JR or High schools. They love to receive them. There also schools for the homeless and things like that in almost every community. They would love to get them too.
If you give them to the public library they usually sell them for $1 and never put them on the shelf for others to read.
Anna del C.
Author of "The Silent Warrior Trilogy" http://www.annadelc.com
I seldom read a book for the second time, except for the Daphne du Maurier books (plus Gerald Durrell). But I do keep my books. There is something comforting in looking at my shelves of books.