books by subject
Mathematical Numbers

Numbers: How Counting Changed the World (Inside Mathematics)

The Number Garden

Farmyard Counting Book (Board Register Books)

Animals' Counting Book (Board Register Books)

Math Magic: The Human Calculator

Count with Teddy 123 (Learn with Teddy S.)

Numbers Age 3–5: A colourful, activity-packed introduction to numbers for 3 to 5-year olds. (Collins Easy Learning Age 3-5): Book 1

Elementary Number Theory (Dover Books on Mathematics)

Times Tables Workbook 2: Age 7-11 (Collins Easy Learning Age 7-11)

Multiplication and Division: Ages 7-9 (Collins Easy Learning Age 7-11)

Help Your Child Learn Number Skills (Usborne Parent's Guides)

Mysterious Multiplication and Devilish Division Age 9-10 (Letts Magical Skills)

More Rapid Math Tricks and Tips: Tricks and Tips: 30 Days to Number Mastery

Implementing Models in Quantitative Finance: Methods and Cases (Springer Finance)

Poisoning Diagnosis and Treatment

Numbers (Isabella's Toybox)

1, 2, 3 (Usborne simple facts)

Cleo's Counting Book (Cleo the Cat)

How Many Bugs?: A board book with peek-through pages

Spot's First Numbers: A touch-and-feel book

Introduction to Queuing Theory: 5 (Mathematical Modeling, 5)

Earth System Modelling - Volume 2: Algorithms, Code Infrastructure and Optimisation: 0 (SpringerBriefs in Earth System Sciences)

Super-Quick Mental Maths

How Mathematics Works (Eyewitness Science Guides)

Times Tables Workbook 3: Age 7-11 (Collins Easy Learning Age 7-11)

Easy Learning: Addition and Subtraction Ages 7-9 (Collins Easy Learning Age 7-11)

How Many Teddies? (Big Little Fat Books)

Pupil Book 5C (Busy Ant Maths)

New GCSE Maths – Student Book Higher 1: Edexcel Modular (B)
