- Madam How and Lady Why - Or, First Lessons in Earth Lore for Children
- Magic Tree House Incredible Fact Book
- Magic Tree House Survival Guide
- Magnets
- Mai gridare al lupo
- Makers of Many Things
- Mammals - Carnivores
- Mammoth Science
- Man on a Mission
- Manny & Me
- Manuel de soutien et d'accompagnement en mathématiques
- Mapping Our World
- Mapping the Milky Way
- Maps of the World's Oceans
- Marie Curie
- Mark Twain and the River
- Martin Rattler; Or, a Boy's Adventures in the Forests of Brazil
- Mass and Weight
- Matematica: Derivata di una funzione
- Math Book Eighth Grade
- Math Book Grade 4 - Part 1
- Math First Grade
- Mathematical Thaumaturgy
- Mathmagicians
- Maths Lab
- Measurement - Drill Sheets
- Measurement - Task & Drill Sheets Gr. 6-8
- Measurement - Task Sheets
- Meet Rex and Other Dinosaurs
- Meteors and Meteorites
- Mi primer viaje a las galaxias
- Mig og min krop
- Mighty Micros: Little Things, Big Results
- Mimic Makers
- Mimicry, and Other Protective Resemblances Among Animals
- Miracles of Nature
- Mission abysses
- Mission Mars
- Mission Pôle Nord
- Mistakes That Worked
- Mistakes that Worked
- Mixtures and Solutions
- Monarch, the Big Bear of Tallac
- Monsters in the Night
- Moonchild: City of the Sun
- Moonchild: Voyage of the Lost and Found
- Mot stjernene er vi ingenting
- Motion