Here is goodread's take of The Man in My Basement:
Hailed as a masterpiece-the finest work yet by an American novelist of the first rank-this is the mysterious story of a young black man who agrees to an unusual bargain to save the home that has belonged to his family for generations.
Walter Mosley pierces long-hidden veins of justice and morality with startling insight into the deepest mysteries of human nature.
Source material: deadline.com
Picture is by alchetron.com