Elspeth Campbell Murphy

When he takes his neighbor's Maine coon cat to a ceremony for the blessing of animals, Titus finds a mysterious note in his pocket and with the help of his cousins determines its source.

When Timothy and his cousins go to the church swap meet, they discover a thief has stolen the white elephant they plan to buy, and it's up to them to find the culprit.

Sarah-Jane and her two cousins solve a mystery involving an antique locket they plan to give their favorite baby-sitter.

When a vandal sabotages restoration work at a run-down lighthouse, the cousins set out to find the culprit.

Ten-year-old Timothy and his cousins Sarah-Jane and Titus, who make up the Three Cousins Detective Club, investigate when all the lawn ornaments in the neighborhood disappear and then are put back in the wrong places.

At Christmastime the three cousins hear a story about a mysterious golden reindeer and wonder if they will be the ones to find it.

When their neighbors appear to be throwing a birthday party for their dog, the three cousins suspect that things are not what they seem.

A special day camp lets three cousins get a look at what happens behind the scenes at the zoo, which helps them solve a mystery involving an escaping pet snake and a missing diamond ring.

While celebrating "Christmas in July," the three cousins come into some stolen art works and discover that even bad boys can be good.