The series
Brush Up
Basics Clear, friendly books that revisit the fundamentals
An easy, enjoyable way back into the subjects you learned once and set aside. Each book takes one topic back to basics — with clear explanations, worked examples and practice — so coming back to learning feels friendly, not daunting.
A growing series · One subject at a time
About the series
Learning made friendly again
Brush Up Basics is a growing series of clear, approachable books for anyone returning to a subject at their own pace — whether you’re brushing up before a course, helping someone else, or simply scratching a curious itch.
Every book focuses on one topic and starts from the fundamentals, building gently with plain-language explanations, worked examples and practice problems. No jargon, no pressure — just a straightforward path back to the essentials, and the confidence that comes with them.
The basics, gently revisited — so coming back to a subject feels easy and even a little fun.
The books
Books in the series
Math Essentials is available now, with Geography and Technology I on the way. Explore what’s here and take a peek at what’s coming next.
- Available now
Math Essentials
Everyday maths, clearly explained — six subjects from arithmetic to a gentle introduction to algebra.
Learn more -
Coming soonGeography
The world, made approachable — places, maps and how the planet fits together.
Preview what’s coming -
Coming soonTechnology I
Modern technology, demystified — from what a browser is to why the cloud matters.
Preview what’s coming
Start with Math Essentials
The first book is ready now — a friendly refresher on everyday maths, from arithmetic to a gentle introduction to algebra.