Books about Thinking & Learning I contribted to

I contributed to a few books about thinking and learning in the past few years.  You can read more about these contributions on this page.

In my Blogs and Newsletters I however provide more information about thinking and learning.


is the most powerful weapon which you can use to change the world.”

-Nelson Mandela

21 Stories to Celebrate 21 Years of IACESA


This booklet was a project that I initiated as part of the IACESA Conference in 2015.

In the booklet you will find 21 inspiring stories of people that were part of the former IACESA over many years.

You can read my story on page 42.



Developing Critical Thinking


Book edited by Prof Mary Grosser.

My chapter in this book is titled ‘Critical Thinking on The Road of Life (For Optimal Well-Being).’

This book is unfortunately not easily available at present.


The Power of One Piece of Paper


This resource contains…

A collection of Mathematics Mind Maps that can be used by Grade 8 as well as Grade 9 learners (but even by Grade 7 and Grade 10 learners).

The purpose of the resource is …

  • To make learners aware of ‘the power of one piece of paper’ so that they can see the big picture of a section of Mathematics. In this way they will also understand what concepts or rules they need to learn to master the basics of a section of work.
  • To empower learners to identify and use basic thinking skills that are required when doing Mathematics. This is important as good thinking skills will have a positive effect on a learner’s ability to figure something out and to persevere. As a result a learner can improve their Mathematical performance.

This resource is more than 10 years old…

Although this resource is more than 10 years old it is even more relevant today than 10 years ago! 

Hard copies can be ordered directly from

Cost: R100 plus postage.

Books about Thinking & Learning

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Estelle Brettenny

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082 430 7956


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