- 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
- Make a Splash
- Maker Comics: Build a Robot!
- Maker Comics: Grow a Garden!
- Maker Comics: Survive in the Outdoors!
- Makers of Many Things
- Making-Aktivitäten mit Kindern und Jugendlichen
- 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
- Marie Curie
- Mark Twain and the River
- Martin Rattler; Or, a Boy's Adventures in the Forests of Brazil
- Mass and Weight
- Mastering Mathematics for WJEC GCSE: Foundation
- Mastering Mathematics for WJEC GCSE: Higher
- Math Book Eighth Grade
- Math Book Grade 4 - Part 1
- Math First Grade
- Mathematical Thaumaturgy
- Mathematics for the IB Diploma: Analysis and approaches HL
- Mathematics for the IB Diploma: Analysis and approaches SL
- Mathematics for the IB Diploma: Applications and interpretation HL
- Mathematics for the IB Diploma: Applications and interpretation SL
- Mathematics for the IB MYP 1
- Mathematics for the IB MYP 2
- Mathematics for the IB MYP 3
- Mathematics for the IB MYP 4 & 5
- Mathematik verstehen Band 1
- Mathmagicians
- Maths Lab
- Max Einstein: Rebels with a Cause
- Max Einstein: Saves the Future
- Max Einstein: The Genius Experiment
- Max Einstein: World Champions!
- Measurement - Drill Sheets
- Measurement - Task & Drill Sheets Gr. 6-8
- Measurement - Task Sheets
- Medical Milestones and Crazy Cures
- Meet Rex and Other Dinosaurs
- MEI A Level Further Mathematics Mechanics 4th Edition
- MEI A Level Further Mathematics Statistics 4th Edition
- MEI A Level Further Mathematics Year 2 4th Edition
- MEI A Level Mathematics Year 1 (AS) 4th Edition
- MEI A Level Mathematics Year 2 4th Edition
- MEI Further Maths: Extra Pure Maths
- MEI Further Maths: Further Pure Maths with Technology
- MEI Further Maths: Modelling with Algorithms
- MEI Further Maths: Numerical Methods
- Meltdown: Earthquake, Tsunami, and Nuclear Disaster in Fukushima
- 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
- Mission: Planet Earth
- Mission: Save the Planet
- Mistakes That Worked
- Mistakes that Worked
- Mixtures and Solutions
- Monarch, the Big Bear of Tallac
- Monsters in the Night
- Moonbird
- Moonchild: City of the Sun
- Moonchild: Voyage of the Lost and Found
- More Deadly Than War
- Mot stjernene er vi ingenting
- Motion