The Amethyst Box

On the eve of his wedding, Sinclair faces the loss of a valuable and dangerous curiosity—a tiny flask of poison in an amethyst box—leading him to suspect it has fallen into the hands of someone close to him. With the help of his friend Worthington, he embarks on a tense quest to recover the box before the poison can be used. Renowned for her well-structured and legally accurate detective stories, Anna Katharine Green is a pioneering figure in American detective fiction.