Sophie Aggett lives in London and likes to spend her time reading detective stories while eating pizza piled with as many toppings as possible. She loves her job writing and editing children's books but thinks she would be good at solving mysteries, too. When Sophie retires, she plans to open a detective agency by the sea.

Jannie Ho loves illustrating books for kids, and sometimes she writes them, too. Jannie lives in the greater Boston area with her family and a pet fish, Sir Bubbles. In her free time, she loves drawing herself as a chicken in comics.