Additional Details ------------------------------ Subject keyword: mystery books; mystery books for kids 9-12; mystery books for teens; books for kids age 9 12; family; mystery; big sister; big brother; mystery books for kids 8-10; books for 8 year old girls; books for 10 year old girls; books for 8 year old boys; 5th grade books; books for 12 year old boys; mysteries; fiction; novels; books for 12 year old girls; books for 9 year old girls; books for 10 year old boys; books for 11 year old girls; books for 11 year old boys; fiction books; books for 9 year old boys