Books about Christian life -- Juvenile fiction (sorted alphabetically)
- Melbourne House, Volume 1 Susan Warner
- Melbourne House, Volume 2 Susan Warner
- Merenvirta: Lasten Punainen Huvitus II (Finnish) Gotthilf Heinrich von Schubert
- Michael Penguyne; Or, Fisher Life on the Cornish Coast William Henry Giles Kingston
- Mildred and Elsie Martha Finley
- Mildred at Home: With Something About Her Relatives and Friends. Martha Finley
- Mildred at Roselands Martha Finley
- Mildred's Married Life, and a Winter with Elsie Dinsmore Martha Finley
- Miles Lawson : or, the Yews Mrs. W. Reynolds Lloyd
- Miles Murchison Agnes Giberne
- Milly's errand : or, Saved to save Emma Leslie
- Minnie Brown; or, The Gentle Girl Daniel Wise
- Miss Ashton's New Pupil: A School Girl's Story Sarah Stuart Robbins
- Mistress Margery Emily Sarah Holt
- moat house : or "Sir Jasper's favourite niece." Eleanora H. Stooke
- Monica's choice Flora E. Berry
- Mostly Mary Mary Edward Feehan
- motherless bairns, and who sheltered them Anonymous
- Mountain Moggy: The Stoning of the Witch William Henry Giles Kingston
- Mousey : or, Cousin Robert's treasure Eleanora H. Stooke
- Mr. Blake's Walking-Stick: A Christmas Story for Boys and Girls Edward Eggleston
- My Doggie and I R. M. Ballantyne
- Nanny Merry Anonymous
- Ned Garth; Or, Made Prisoner in Africa: A Tale of the Slave Trade William Henry Giles Kingston
- Nellie Arundel : A tale of home life Catharine Shaw