Thrilling, dangerous adventures confront Nancy Drew while on a safari in East Africa with a group of American college students. Excitement runs high as the teen-age detective delves into the theft of a fabulous sapphire formed by nature millions of years ago. The mystery starts in Nancys home town. Her lawyer fathers client, Floyd Ramsay, who fashions beautiful and unusual synthetic gems, is accused of stealing the magnificent spider sapphire and exhibiting it as his own creation. Mr. Ramsays enemies blackmail him and by their vicious acts try to deter Nancy from going on the safari.Readers will join Nancy as she uncovers a nefarious scheme and solves the strange disappearance of an injured jungle guide.
