Ever eager to pass along fast-breaking, up-to-the-minute news about the investment world to the readers of this blog, I recommend this profile, from 2010, of Seth Klarman. Klarman is a very disciplined and successful value investor in Boston.
Klarman wrote a book, Margin of Safety, that came out in 1991. It now sells for, literally, $1,000 per copy, used, on Amazon. (I can't help but notice that this violates the Graham-and-Dodd style of valuation that Klarman favors.)
I am glad I got my copy for the regular retail price of $20 or so, back when.
Postscript: I.M. Young, a reader, mentioned that you can find PDF copies for free online. I found one by Googling "Margin of Safety PDF." (I feel a little guilty passing this along.)