- Critical Research Failure: There was some slight controversy over this book in Britain because it mistakenly depicted British policemen as routinely carrying guns. To quote the other Wiki: "The vast majority of British police officers do not carry firearms on standard patrol".
- Padding: Two pages are spent watching a group of firefighters trying to find the keys to their fire station, chasing a bird who steals it, discovering that it's actually the wrong key and finally getting it from one of their wives. Some found this annoying, while some saw this as an appropriate Shout-Out to English farce theater — or just a nice bit of comedy.
YMMV / Tintin: The Black Island