The Marshmallow Hammer Detective Agency: The Mysterious Case of the Golden Egg (A Middle Grade Mystery)EbookThe Marshmallow Hammer Detective Agency: The Mysterious Case of the Golden Egg (A Middle Grade Mystery)byErnie LindseyRating: 0 out of 5 stars0 ratingsSave The Marshmallow Hammer Detective Agency: The Mysterious Case of the Golden Egg (A Middle Grade Mystery) for later