The Client and His Cousins

When Cassie Pengear receives a note from a Mr. Grant saying her services had been recommended to him, she assumes he's interested in her typing services, but she quickly learns it's her skills at detecting he wishes to discuss. Mr. Grant suspects his aunt is trying to kill him and wants Cassie to either determine he's right or put his mind at ease. But the aunt is murdered before Cassie can properly investigate what happened, and Cassie gets pulled into a murder investigation where the susp...