Oh, Money! Money!
by Eleanor H. Porter
Eleanor H. Porter is known for writing children's books, including Pollyanna, but, Oh, money! Money! written for adults. This is the story of a millionaire who gives his cousins a large amount of money and then comes to live with them in secret. Will one of the cousins be worthy to inherit the rest of his money? Will he be able to keep up with the disguise?