Great fun, and not nearly as crude as the title.
Parents need to know that this book isn't all bathroom humor; there are far more clever jokes mixed in. Plus, the main character, Prince Harry, starts out as a big practical jokester but comes to regret it when he gets to like Sir Fartsalot and finally admits to being wrong. He also finds a more positive outlet for his talents in the end. At one point, two knights are held captive by some very silly and flirty princesses who lob love notes at them; they get away as fast as they can. The battles with knights, ogres, dragons, a two-headed giant, and a giant bird are rather goofy over all, but twice Harry and Sir Fartsalot are almost eaten.