All Covered Up

      The Mountains Have a Secret ~Arthur W. Upfield Collier Books (1988) (Original publication date 1948)  Reviewed on my blog: My Reader's Block  

      The Mountain Cat Murders ~Rex Stout Dell #5849 (September 1964) (Original publication date July 1939)      The Mountain Cat Murders ~Rex Stout Dell Mapback #28 (1943) (Original publication date July 1939)  

      The Mother's Day Murder ~Lee Harris (Syrell Leayh) Fawcett (April 2000) (Original publication date 2000)

      The More Than Complete Hitchhiker's Guide ~Douglas Adams Bonanza Books/Crown Publishers (1986)  The Hitchhiker's Guide to the Galaxy Review

      The Moonstone Castle Mystery ~Carolyn Keene Nancy Drew #40 Grosset & Dunlap (1963) (Original publication date 1962)

      The Moonstone ~Wilkie Collins Pyramid Giant #G88 (April 1953) (Original publication date 1868)      The Moonstone ~Wilkie Collins Thomas Nelson & Sons/Nelson Classics (no date) (Original publication date 1868)

      The Moon & Sixpence ~W. Somerset Maugham Bantam #A1339 (July 1955) (Original publication date 1919)

      The Monuments Men: Allied Heroes, Nazi Thieves, & the Greatest Treasure Hunt in History ~Robert M. Edsel with Bret Witter Center Street/Hatchette Book Group (September 2010) (Original publication date 2009)

      The Monster of Lazy Hook ~Thorne Lee Duell, Sloan & Pearce/Bloodhound Mystery (1949)

      The Monday Theory ~Douglas Clark Harper & Row (1985) (Original publication date 1983)  Reviewed on my blog: My Reader's Block

      The Monadic Universe ~George Zebrowski Ace Books (March 1977) (Original publication date 1977)

      The Mistletoe Murder & Other Stories ~P. D. James Knopf Publishing (October 2016) (Original publication date October 2016) Reviewed on my blog: My Reader's Block

      The Missing Link ~Carolyn Wells Triangle Books (December 1939) (Original publication date 1938)

      The Missing Chums ~Franklin W. Dixon Hardy Boys #4 Grosset & Dunlap (1962) (Original publication date 1928)

      The Misadventures of Sherlock Holmes ~Sebastian Wolfe (ed) Citadel Press (1991) (Original publication date 1989)

      The Mirror Crack'd ( The Mirror Crack'd from Side to Side ) ~Agatha Christie Pocket Books #50436 (October 1964) (Original publication date 1962)  Reviewed on my blog: My Reader's Block

      The Mirabilis Diamond ~Jerome Odlum Dell Mapback #303 (1949) (Original publication date 1945)  Reviewed on my blog: My Reader's Block  

      The Mind of the Maker ~Dorothy L. Sayers HarperCollins (1987) (Original publication date 1941)  Reviewed on my blog: My Reader's Block  

      The Mikado & Other Plays ~W. S. Gilbert Boni & Liveright (1917)

      The Mighty Blockhead ~Frank Gruber Superior Reprints #M655 (September 1945) (Original publication date 1941)

      The Metropolitan Opera Murders ~Helen Traubel (Harold Q. Masur)  Avon Books #G1201 (1961) (Original publication date 1951) Reviewed on my blog: My Reader's Block  

      The Men Who Explained Miracles ~John Dickson Carr Pyramid Books/Green Door Mystery #R1083 (1964) (Original publication date 1963)       The Men Who Explained Miracles ~John Dickson Carr Harper & Row (1963) (Original publication date 1963) 

      The Men in Her Death ~Marie Blizard Allied Graphic Books/Green Dragon (1947) (Original publication date 1947)

      The Memorial Hall Murder ~Jane Langton Penguin Crime (1986) (Original publication date 1978)

      The Melted Coins ~Franklin W. Dixon Hardy Boys #23 Grosset & Dunlap (1970) (Original publication date 1944)

      The Medical Center Murders ~Lisa Drake with Otto Penzler Pocket Books (October 1984) (Original publication date 1984)

      The Master ~T. H. White Avon Books (September 1967) (Original publication date 1957)    

      The Master of Mysteries ~Gelett Burgess (as by Anonymous)  The Bobbs-Merrill Co (1912) Reviewed on my blog: My Reader's Block

      The Mask of Zeus ~Desmond Cory St. Martin's Press (July 1993)

      The Marvell College Murders ~Sophie Belfort Donald I. Fine Inc (1991)

      The Martian Way & Other Stories ~Isaac Asimov Fawcett Crest #R1289 (July 1969)  (Original publication date 1955)

      The Martian Chronicles ~Ray Bradbury Bantam (December 1980) (Original publication date 1950)

      The Markenmore Mystery ~J. S. Fletcher Herbert Jenkins, Ltd (1923) (Original publication date 1922)

      The Mark Twain Murders ~Edith Skom Dell (July 1990) (Original publication date 1989)

      The Mark on the Door ~Franklin W. Dixon Hardy Boys #13  Grosset & Dunlap (1967) (Original publication date 1934)         The Mark on the Door ~Franklin W. Dixon Hardy Boys #13  Grosset & Dunlap (1950) (Original publication date 1934)  

      The March Hare Murders ~E. X. Ferrars Pocket Books #735 (November 1950) (Original publication date 1949)  Reviewed on my blog: My Reader's Block

    The Maras Affair ~Eliot Reed (Eric Ambler) Doubleday & Co (1953)  

      The Man Who Went Up in Smoke ~ Maj Sjöwall and Per Wahlöö Vintage (March 1976) (Original publication date 1966)    Reviewed on my blog: My Reader's Block   

      The Man Who Looked Who Looked Death in the Eye ~Hampton Stone Paperback Library (August 1971) (Original publication date 1961)

      The Man Who Liked Slow Tomatoes ~K. C. Constantine Penguin Crime (1983) (Original publication date 1982)

      The Man Who Could Not Shudder ~John Dickson Carr Bantam #F2837 (August 1964) (Original publication date 1940)

      The Man on the Balcony ~ Maj Sjöwall and Per Wahlöö Vintage/Black Lizard (February 2009) (Original publication date 1967) Reviewed on my blog: My Reader's Block  

      The Man in the Queue ( Killer in the Crowd ) ~Josephine Tey Pan Books (1958) (Original publication date 1929)       The Man in the Queue ( Killer in the Crowd ) ~Josephine Tey The Macmillan Co (1953) (Original publication date 1929)  

      The Man in the Moonlight ~Helen McCloy Dell Mapback #72 (1945) (Original publication date 1940)  Reviewed on my blog: My Reader's Block