The Magpie Riddle: a Goldfish Boy Mystery Award-winning author by Lisa Thompson (author) and Mike Lowery (illustrator)

The Magpie Riddle was previously published as The Graveyard Riddle. Return to the wonderful characters of beloved, bestselling, award-winning The Goldfish Boy, one of the most talked-about debut children’s books of recent years.
Melody Bird has discovered an old abandoned house in the corner of the graveyard, and a mysterious boy hiding out there…
Hal tells her that he’s a spy-in-training, using the house as a base for his undercover surveillance of a known local criminal.
Her friends Matthew and Jake don’t believe that a teenager would be entrusted with this mission and turn the tables to spy on him, uncovering secrets and unravelling a mystery as they go.