ISBN-13: 9781456546496 / Angielski / Miękka / 2011 / 150 str.
Add mystery to your day Our nine year old sleuth, Mary Small, observes strange things happening at the vacant house next door. Her older cousin, Amy, moves in to Mary's house and becomes not only her partner in solving a family treasure mystery but also becomes her best friend. Written for girls 9 to 13, Mary & Amy demonstrate positive qualities of family and friendship as they take on an unknown stranger in a race to find a rumored family treasure.