"I like historical puzzles and found the whole story interesting, but it's the characters that really made it work." Amazon Review. Amateur Sleuth Dan Corrigan is quick-witted, driven and far too clever for his own good. Fortunately, his friend and neighbor, Alan Hargreaves, is the perfect foil for Dan's intellect. Loyal, dependable and with a knack for detailed research, Alan keeps Dan on track, and together, they make an effective team. From $0.99 SHOP NOW /