Cross out the innocent, clue by clue, until exactly one name is left standing. From seaside capers for grown-ups to gigglesome mysteries for young super-sleuths.

Meet Detective Otis

The world’s most distinguished cockapoo sleuth. When he isn’t cracking cases across the Riviera, the Alps and a Venetian masked ball, Otis can be found in his study with a good map, a glass of red, and a fresh mystery to solve. Every case in these books is one of his, and now it’s your turn to help him catch the culprit.