Books about Fantasy fiction (sorted alphabetically)
- Lost Continent Edgar Rice Burroughs
- Lost Continent Charles John Cutcliffe Wright Hyne
- Lost King of Oz Ruth Plumly Thompson
- lost race Robert E. Howard
- Lost World Arthur Conan Doyle
- Lost World Arthur Conan Doyle
- Lud-in-the-Mist Hope Mirrlees
- Maailman sydän (Finnish) H. Rider Haggard
- Madame Margot: A grotesque legend of old Charleston John Bennett
- Mad King Edgar Rice Burroughs
- Mad King Edgar Rice Burroughs
- Magical Land of Noom Johnny Gruelle
- Magical Mimics in Oz Jack Snow
- Magic Skin Honoré de Balzac
- Mahatma and the Hare: A Dream Story H. Rider Haggard
- man who was pale Jack Sharkey
- Man Who was Thursday, A Nightmare G. K. Chesterton
- Man Who Was Thursday: A Nightmare G. K. Chesterton
- Merman and the Figure-Head Clara F. Guernsey
- Merrimeg William Bowen
- Mine of Faults F. W. Bain
- mirrors of Tuzun Thune Robert E. Howard
- Missing Prince G. E. Farrow
- Mistake inside James Blish
- monde tel qu'il sera (French) Émile Souvestre