A reader writes:

Why buy books you are not sure you will like? What about the library? The NYPL catalog is online. You reserve a book and they deliver it to the nearest branch library, which in my case happens to be across the street from a Barnes and Noble. I pick up the books and start reading. If I really like the book I go to the bookstore or online and purchase a copy for future use. The NYPL also has ebooks available from their website that you download into Adobe Digital Editions. After two or three weeks the file expires. I probably finish about half the books I check out from the library and return the rest as soon as I decide it's not for me. The ebook versions are even easier. I wish the Kindle would work with Libraries around the country and create a elending system. Now that would make sense.

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