With all the books that have been written about Warren Buffett, Vahan Janjigian's Even Buffett Isn't Perfect: What You Can -- and Can't -- Learn from the World's Greatest Investor seems like the only one left that could generate any interest. Suggesting that Buffett isn't perfect is similar to accusing Mother Teresa of war crimes.

Unfortunately, the most serious imperfection that Janjigian uncovers is right on the cover: Buffett's complexion is pasty, his eyebrows could use a good waxing, and he could stand to hit up Procter & Gamble for a couple boxes of Crest Whitestrips.

Like most books on Buffett, this one explains his methodology -- buy easy to understand business and hold forever -- and then, somewhat uniquely, tries to poke holes in some of his ideas. The problem is that most of those holes relate to Buffett's philosophies, but most have nothing to do with the way he manges Berkshire Hathaway (NYSE: BRK.A). There's a lengthy discussion of what the author thinks Buffett is wrong about the estate tax, and he also questions Buffett's insistence that stock options should be expensed upon issuance -- but are those really the ideas that people look to Buffett for?