We give herewith a list of all the back numbers in print. You can have your news-dealer order them or they will be sent direct by the publishers to any address upon receipt of the price in money or postage-stamps. 516--The Mechanical Giant. 517--Doris, the Unknown. 519--Madge Morley’s Ghost. 520--An Automobile Mystery. 521--The Mysterious Stranger. 522--The White Arm of a Woman. 523--The Man in the Doorway. 524--The Plot of the Baron. 525--The Passenger on the Night Local. 526--A Double Mystery. 527--Clarice, the Countess. 531--A Blackmailer’s Paradise. 532--Gipsy Madge, the Blackmailer. 533--Facing an Unseen Terror. 534--Idayah, the Woman of Mystery. 537--Zanabayah, the Terrible. 538--The Seven-headed Monster. 539--The Woman of the Mask. 540--The Masked Woman’s Daring Plot. 543--Black Madge’s Vengeance. 544--A Tragedy of the Footlights. 545--The Mayard Woman’s Double. 546--Three Against Fifteen. 547--A Mystery of Two Passengers. 549--The House of Secrets. 550--The Lost Bank President. 551--Ralph Bolton’s Double Plot. 552--The Dare-devil Crook. 553--A Mystery from the Klondyke. 554--Returned from the Grave. 555--The Mystery Man of 7-Up Ranch. 556--A Bad Man of Montana. 557--The Man from Arizona. 558--Kid Curry’s Last Stand. 559--A Beautiful Anarchist. 560--The Nihilist’s Second Move. 561--The Brotherhood of Free Russia. 562--A White House Mystery. 563--The Great Spy System. 564--The Last of Mustushimi. 566--A Mystery in India Ink. 567--The Plot of the Stantons. 568--The Criminal Trust. 569--The Syndicate of Crooks. 570--The Order of the Python. 571--Tried for His Life. 572--A Bargain With a Thief. 573--Peters, the Shrewd Crook. 574--The Mystery of the Empty Grave. 575--The Yellow Beryl. 576--The Dead Man on the Roof. 577--A Double-barreled Puzzle. 578--An Automobile Duel. 579--Jasper Ryan’s Counter Move. 580--An International Conspiracy. 581--Plotters Against a Nation. 582--Mignon Duprez, the Female Spy. 583--A Mystery of High Society. 584--A Million Dollars Reward. 585--The Signal of Seven Shots. 586--The “Shadow.” 587--A Dead Man’s Secret. 588--A Victim of Magic. 589--A Plot Within a Palace. 590--The Countess Zeta’s Defense. 591--The Princess’ Last Effort. 592--The Two Lost Crittendens. 593--Miguel, the Avenger. 594--Eulalia, the Bandit Queen. 595--The Crystal Mystery. 596--A Battle of Wit and Skill. 597--Vanderdyken, the Millionaire. 598--Patsy’s Vacation Problem. 599--The King’s Prisoner. 600--A Woman to the Rescue. 601--Nick Carter in Japan. 602--Talika, the Geisha Girl. 603--By Order of the Emperor. 604--The Convict’s Secret. 605--The Man in the Dark. 606--An Anarchist Plot. 607--The Mysterious Mr. Peters. 608--A Woman at Bay. 609--The Balloon Tragedy. 610--Nick Carter’s Strangest Case. 611--The Stolen Treasure. 612--The Island of Fire. 613--The Senator’s Plot. 614--The Madness of Morgan. 615--A Million-dollar Hold-up. 616--Nick Carter’s Submarine Clue. 617--Under the Flag of Chance. 618--The Case Against Judge Bernard.