It might not be a popular thing to say but I agree a lot with what Rosemary Goring of The Herald has to say about Rick Steves:
"Stranded in a sea of North Americans, we discovered that Steves is the Billy Graham of middle-class tourists. One couple had his book on their lap, another was brandishing something unpleasant called Italy for Dummies. A cautious couple, they said that if Steves's recommendations concurred with the Dummies guide, they followed it."
The full article is here