Most people won't burn or toss books in the garbage. The usual route is the donation bins of the thrift stores.
http://www.amazon.com/gp/offer-listing/0743222253/ref=dp_olp_2/102-8818088-8819326?%5Fencoding=UTF8
223 available in paperback at amazon(new and used from $.01)
to compare
http://www.amazon.com/gp/product/1400054192/sr=1-1/qid=1144676727/ref=pd_bbs_1/102-8818088-8819326?%5Fencoding=UTF8&s=books
How to Talk to a Liberal (If You Must) : The World According to Ann Coulter (Paperback)
by Ann Coulter
79 used & new available from $4.50
There's 567 'used' copies at Amazon.