41.   The federal regulators who pursue boiler-room brokerages and try to recover their illegal profits say the money trail often leads them to South Florida.

42.   The electronic trail led to a Peninsula couple, Bob and Colleen Simmons, who, in retirement, traded technical careers for culinary pursuits.

43.   The only spore trail led back from the mailroom at the office to a van and post offices.

44.   The trail also leads Philip into the surrounding natural world, which Reiken knits adeptly into his story.

45.   The trail also led to Union City.

46.   The trail leads Alain to New York and the Russian mobsters who control the Little Odessa section of Brooklyn.

47.   The trail led around the world.

48.   The trail of contraband leads through the world of Swiss banking into the trove of art confiscated by the Nazis.

49.   The trail eventually leads to Las Vegas, but this subplot is the most problematic of the movie.

50.   The trail leads Spenser into some tricky places.