A variation on the constant light bulb joke

Q: How many academic librarians does it take to change a light bulb?
A: CHANGE?!?!?!
http://lisnews.org/node/15200

What did one math book say to the other math book?
" Do you want to hear my problems?"
LibraryBooks4U

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'Classic': A book which people praise but don't read. Mark Twain

From the moment I picked your book up until I put it down I was convulsed with laughter. Some day I intend reading it. Groucho Marx
http://www.guy-sports.com/humor/stories/story_library.htm#Library_Jokes_and_One-liners_

If we can't laugh at ourselves, who can?