Rami Hansenne: Codex Enigmatum

Not sure badly flawed is the term I’d use but even at only 30 puzzles in there have been to many that, even when furnished with the answer understanding is not evident.

The clues usually state the obvious and its a shame they’re not graduated ones and the only option B is to go to the answer.

Personally I dislike any of these puzzle books that rely on “magic eye” puzzles.

Having the answers in the back does make it to easy to cheat and you will because some of the puzzles aren’t even solvable after you know the answer.