One of my absolute favourite puzzle stories as a child!!! The puzzles are engaging and the story is interesting. One of the books that spawned my initial interest in Roman history! I still had fun solving the mystery even as an adult.
I liked the amount of puzzles I had to write down for this one, including some algebra :) I did find a more efficient way (than the answers') though the maze under the Colosseum though.
This author has produced some of my favourite puzzle books, and this theme was interesting, reminding me of The Trolley to Yesterday a bit.
Not quite as enamoring as it it was a few years ago, but definitely fun. For me as a kid, these books weren't just your regular "look and find" sort of thing--they had stuff like cracking codes in them! Yeah, fun stuff.