We're off to the Caribbean with four old time radio mysteries full of island intrigue. An American professor finds murder on sabbatical in "A Passage to Benares" from Suspense (originally aired on CBS on September 23, 1942). Joan Banks pulls Frank Lovejoy into a dangerous salvage operation in "Chain Reaction" from The Whistler (originally aired on CBS on May 12, 1948).  Humphrey Bogart and Lauren Bacall bring their combined star power to tropical thrills in Bold Venture (a syndicated episode known as "Murder in the Yucatán Peninsula"). And finally, Johnny Dollar boards a yacht to act as a bodyguard in "The Time and Tide Matter" (AFRS rebroadcast from February 16, 1958).

In this bonus episode, I'm sharing my five favorite installments of Barrie Craig, Confidential Investigator. William Gargan sleuths with a sardonic smile in these radio mysteries, beginning with "The Lost Lady" (originally aired on NBC on June 14, 1953). A client behind bars hires Craig in "For Love of Murder" (originally aired on NBC on August 3, 1954), and Craig helps an old colleague close one last case in "Blood Money" (originally aired on NBC on August 24, 1954). A vacation is a new setting for murder in "Hay is for Homicide" (originally aired on NBC on August 31, 1954), and a visit to see a friend turns into a night at a haunted house in "Ghosts Don't Die in Bed" (originally aired on NBC on September 7, 1954).

Place your bets and ride along with four old time radio mysteries set in the stables and around the racetrack. Boston Blackie doubts a horse is guilty of murder in a syndicated mystery, and international investigator Frank Race tries to find out who's out to make sure a prize racehorse doesn't make it to the winner's circle in "The Adventure of the Vanishing Favorite." A jockey loses a race and his life in Crime and Peter Chambers (originally aired on NBC on August 3, 1954). And John Gielgud and Ralph Richardson are Sherlock Holmes and Dr. Watson in an adaptation of "Silver Blaze."

We're riding the subway and walking the Great White Way with four radio gumshoes in New York. First, there's a dead body in Richard Diamond's office in "The Fred Sears Murder Case" (originally aired on NBC on June 5, 1949). A man is killed in Times Square by a man with only a month to live in "The Earl Lawson Murder Case" from Broadway is My Beat (originally aired on CBS on June 9, 1951). John Lund heads to the Big Apple in "The Independent Diamond Traders Matter" from Yours Truly, Johnny Dollar (originally aired on CBS on November 24, 1953), and Captain Kennelly and his men keep the city safe in 21st Precinct (originally aired on CBS on January 13, 1954).

It's an Easter basket of radio comedies for you to enjoy! Jack Benny and his gang take a stroll in the Easter Parade (originally aired on CBS on April 17, 1949); Lucille Ball hunts for the perfect Easter dress in My Favorite Husband (originally aired on CBS on March 24, 1951); and egg dying goes awry at the Harris house on The Phil Harris-Alice Faye Show (originally aired on NBC on April 5, 1953).

Break out your bracket for three basketball mysteries from the golden age of radio. First, newspaper editor Steve Wilson ties an assault to a gambling racket in "The Fatal Fix" from Big Town (originally aired on NBC on January 25, 1949). Next, Tony Curtis is a college star under pressure to throw a game in "The McKay College Basketball Scandal" from Suspense (originally aired on CBS on September 24, 1951). Finally, Larry Haines is ex-magician turned PI Mike Trent, who uses his tricks of the trade against a deadly ring of gamblers in Easy Money (originally aired on NBC on January 9, 1955).

Grab a pint, don your green, and enjoy a trio of St. Patrick's Day old time radio mysteries. First, Basil Rathbone and Nigel Bruce investigate a murder at one of Ireland's landmarks in "The Adventure of the Blarney Stone" from The New Adventures of Sherlock Holmes (originally aired on Mutual on March 18, 1946). Then, George Valentine tries to prevent a spectral eviction in "The Ghost of Ireland Betty" from Let George Do It (originally aired on Mutual on September 27, 1954). Finally, Paladin comes to the aid of an Irishman accused of robbery and murder in "Irish Luck" (originally aired on CBS on April 24, 1960).

Show off those pearly whites and enjoy three old time radio mysteries involving teeth and dentists. First, Casey, Crime Photographer thinks a dentist is linked to a colleague's disappearance in "Tooth for Tooth" (originally aired on CBS on July 15, 1946). Then, a victim's teeth hold the key to solving a murder on Whitehall 1212 (known as "The Murder of Duncan Frazier," originally aired on NBC on December 9, 1951). Finally, Dane Clark tries to find out who's blackmailing a dentist in Crime and Peter Chambers (originally aired on NBC on May 18, 1954).

In this bonus episode, we're saluting the late Anne Whitfield, who passed away on February 15th. We'll hear the actress in a pair of episodes from The Phil Harris-Alice Faye Show, where she played the couple's youngest daughter Phyllis. First, little Phyllis may become a movie star (originally aired on NBC on November 20, 1949) and then she celebrates her birthday (originally aired on NBC on January 21, 1951).

We're blasting off this week for a trio of mysteries involving rockets and space. First, The Man Called X is in New Mexico to find out who's leaking classified information from a missile test site (originally aired on NBC on April 14, 1951). Next, Philo Vance investigates a murder in an observatory in the syndicated episode "The Star-Studded Murder Case." And finally, Frank Sinatra is hired to take a one-way trip to the moon in "Rocket Racket" from Rocky Fortune (originally aired on NBC on March 23, 1954).