Piers Anthony is my favourite author. He has released soooooo many books in his time, I believe in the hundreds. And, a lot of them are out of print, which makes it even harder! I try to collect everything I can of his, but I've cleared out all of the used bookstores in my area... I get them from EBay as well. AND he's still churning them out! I have about 50 of his, but I fear that he is beating me to a pulp in this particular challenge...