Book excerpt: 'The Mansion of Mystery' by Chester K. Steele is a novel filled with twists and turns centering on a young man named Raymond Case who seeks the help of investigator and detective Adam Adams. In a hurry and visibly anxious, Raymond pleads with Adam to take his case, revealing that he is the son of the late Wilbur Case and has important business to discuss. The urgency of the matter is revealed when Raymond confesses that he believes his girlfriend is guilty of a crime, and he wants Adam to investigate to prove her innocence. Adam agrees to the case, and as the investigation unfolds, more secrets and motives are uncovered, leading to a thrilling conclusion that will leave readers on the edge of their seats.