books by collection
University - STEM
proof in mathematics ('if', 'then', and 'perhaps')

A School Course in Vectors
Revision examples in geometry
Romping through Mathematics
Mathematics problems via Down-Under
Number Theory 2
Higher Algebra for Schools

Sixth Form Modern Mathematics: Algebra and Number Systems
Help yourself to advanced algebra
Arithmetic
Teaching Calculus
A New Trigonometry for Schools
Innumeracy
Problems
Contemporary School Mathematics: Shape, Size and Place
Contemporary School Mathematics: Sets and Logic 2
Contemporary School Mathematics Matrices 2
Linear Equations
Inequalities
The Best of Teaching Statistics
Mathematics miscellany
Mathematical Toolchest
Math-Matrix
Mathematical Scholarship Problems
The Theory of Ordinary Differential Equations
Differential Equations

What We Cannot Know: Explorations at the Edge of Knowledge

The Science Book

The World Within the World
