Librarian's note: This is an earlier/alternative cover edition of ISBN 0448095459 (9780448095455) found here.Excitement is high when Nancy delves into the theft of a fabulous sapphire formed by nature millions of years ago. Her father’s client is Mr. Ramsey, a designer of beautiful and unusual synthetic gems. He is accused of stealing the magnificent spider sapphire and exhibiting it as his own creation. In River Heights and while on a safari with a group of college students, Nancy has several thrilling experiences. In Africa, she uncovers a nefarious scheme directed at Mr. Ramsey and locates a missing jungle guide. This book is the original text. A revised text does not exist.