The Marshmallow Hammer Detective Agency

The sudden and unexpected arrival of a mysterious package interrupts Hat Tintersmoot's twelfth birthday, a young girl with dreams of becoming a private investigator like her grandfather.

Who left the package? Where did it come from? The mystery deepens once Hat discovers the small cardboard box inside...and learns who gave it to her.

A handwritten note. A golden egg with strange symbols.

It's another perfect job for the owner of The Marshmallow Hammer Detective Agency. With the help of a new best friend, Hat must discover the truth behind five difficult clues in order to reveal the answer to the greatest secret ever.

The Mysterious Case of the Golden Egg is a heartwarming middle grade mystery full of riddles, puzzles, and thoughtful messages about life, love, and happiness.