"The Obvious Factor" "The Pointing Finger" "Yankee Doodle Went To Town" "The Six Suspects" (aka "Out of Sight") "Quicker Than the Eye" "All In the Way You Read It" (aka "The Three Numbers") "The One and Only East" "The Cross of Lorraine" "The Next Day" "What Time Is It?" "Middle Name" "Sixty Million Trillion Combinations" "The Good Samaritan" "Can You Prove It?" "The Redhead" "The Spy Who Was Out-of-Focus" (aka "He Wasn’t There") "Hide and Seek" "Countdown to Disaster" (aka "Dollars and Cents") "The Telltale Sign" (aka "The Sign") "Playing By the Numbers" (aka "Getting the Combination") "Mystery Book" (aka "The Library Book") "The Amusement Lark" "Stormy Weather" "The Speck" "The Thirteenth Day of Christmas" "The Key Word" "Problem of Numbers, A" "Nothing Might Happen" "The Little Things" "Halloween"