• The Lorien Legacies
• The Lost Chronicles
• The Lost Clan Series
• The Lost Files
• The Lost Fleet
• The Lost Histories
• The Lost Princess Series
• The Lost Years Vol 2
• The Loved
• The Lymond chronicles
• The MacGregors: Highland Heirs
• The MacIains
• The Macdonell Brides Trilogy
• The Madison Sisters
• The Maeve Chronicles
• The Magdalene Chronicles
• The Magdalene Line
• The Magic Kingdom of Landover
• The Magickers
• The Makaum War
• The Making of England Quartet
• The Malazan Book of the Fallen
• The Malloreon
• The Malloys of Montana
• The Manning Sisters
• The Margellos World Republic of Letters
• The Maria Wern Series
• The Marketplace Series, 4
• The Married Life Series
• The Martin Beck
• The Mccafferty Brothers
• The Mccafferty's
• The Meetings Sextet
• The Melancholy of Haruhi Suzumiya
• The Melancholy of Suzumiya Haruhi-chan
• The Merlin Codex
• The Merlin Series
• The Midnight Louie Series
• The Midnight Trilogy
• The Millennium Series
• The Million Dollar Mysteries
• The Minotaur Wars
• The Miracle Series
• The Mobile Library Mystery Series
• The Modern Classics Series, 1
• The Modern Classics Series, 2
• The Modern Greek Literature Library
• The Moonshae Trilogy
• The Moonworlds Saga
• The Moorehawke Trilogy