Elspeth Campbell Murphy

Ten-year-old cousins Titus, Timothy, and Sarah-Jane go on vacation together and set out to discover why the dolphins they are visiting don't seem to want to eat.

The mysterious appearance of a Tedy Roosevelt campaign button on Tim's base ball cap attracts the attention of an unscrupulous collector.

Sarah-Jane sees a locket in an antique store window that would be perfect for her to give her longtime babysitter and friend, Kelly. But what is going on when this locket mysteriously appears on Kelly's doorstep??

Titus McKay's neighbor, Phil, is a real clown who is doing a show at the local Children's Hospital.

When an intruder sneaks into a victorian House that is being renovated and begins stripping off the wallpaper in the parlor, the three cousins help the owner investigate.

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

When the three cousins find some strange symbols carved in an old tree, they start learning about hobo code and in the process learn about the importance of kindness as well.