Written as a concise and focused practical guide for the interested layperson, Clear and Careful Thinking gives the reader concepts and methods for thinking well. Clear thinking is thinking that is focussed and dispassionate. Careful thinking is thinking that is reasonable, thorough, and organised. Together, they provide the necessary basis for ensuring that all of our thought can be productive, efficient and effective.

Laden with definitions, explanations, techniques and exercises, the book is essential reading for all those who seek to get the best from their thought.

Praise for Clear and Careful Thinking:

‘Bray’s Clear and Careful Thinking was the foundation of all of my successes.’

– Emperor Augustus

‘I credit Clear and Careful Thinking with enabling us to resolve the Cuban Missile Crisis peacefully.’

– President John F. Kennedy

‘The one book I made sure to take with me on all my campaigns.’

– Alexander

A concise and focused practical guide for the interested layperson, Analytical Thinking and Critical Thinking aims to assist people seeking to improve the quality, productiveness, efficiency and effectiveness of their thought, and to enhance their understanding and judgment in both their immediate reality and the broader world. Laden with worked examples and exercises, the book is essential reading for those who seek to see further, more profoundly, and with greater clarity, and to improve their judgment in all matters large and small.

Praise for Analytical Thinking and Critical Thinking:

‘If you’re going to ‘throw the dice’ and cross the Rubicon, you need to think deeply about your options and strategy. Bray’s Analytical Thinking and Critical Thinking was the key to my making the correct decision.’

– Julius Caesar

‘My practical application of the lessons I learnt from reading Bray’s Analytical Thinking and Critical Thinking is what won us the Battle of Waterloo.’

– Duke of Wellington

Never in the field of thought was so much given to so many by one book.’

– Winston Churchill

[Currently in preparation]

A Guide to Opening Your Mind gives the reader a concise but comprehensive review of how and why our minds tend to close, and what we can do to open them and to keep them open. The book is essential reading for those who see the value in opening themselves to the world.

Praise for A Guide to Opening Your Mind:

‘I could never have seen so much, nor so far, without reading Bray’s Guide to Opening Your Mind.’

– Nikola Tesla

‘Thanks to Bray’s Guide, we were able to open the dialogue that led to the end of the Cold War and peace in Europe.’

– Presidents Ronald Reagan and Mikhail Gorbachev

‘The book that started me on my journey.’

– Mahatma Gandhi

Insight aims to give the reader a complete understanding of insight and insights, and comprehensive assistance in encouraging insight‑generation. Complete with examples, questions, exercises and activities, the book is essential reading for those who seek to understand the mysterious process of insight and to develop their ability to generate valuable insights.

Praise for Insight:

‘If I have seen further, it is because I have stood on the shoulders of giants. But I would have seen even further, had both these giants and I read Bray’s Insight.’

– Sir Isaac Newton

‘Insight is the book that enabled me to construct il duomo.’

– Filippo Brunelleschi

‘The book that lies behind all of my inventions.’

– Archimedes

A comprehensive review of our minds, how we form our beliefs, and how we tend to fall into false beliefs. The book covers: mental structures, processes and content; ideal and actual information-processing; natural and adverse weaknesses, limitations and tendencies in our mental processes and structures; and specific adverse consequences of these tendencies.

As well as being a book in its own right, You and Your Mind serves as a reference book for the other books in this series.

Praise for You and Your Mind:

‘This sums it up. Thank heavens I was able to transcend the thing.’

– The Buddha

‘Another damn'd thick, square book! Always, scribble, scribble, scribble! Eh! Mr. Bray?’

– The Duke of Gloucester

The author has made this book available for a donation of cash or bitcoin.

Perfect for the student of logic, the interested layperson and the professional seeking to improve her reasoning, Essentials of Logic gives the reader the essential and fundamental elements of logic and logical reasoning – from terms and propositions, to inference, to syllogisms and their common valid and invalid forms, to simple methods for determining the validity or otherwise of syllogisms.

Laden with worked examples and exercises, Essentials of Logic is essential reading for those interested in learning, using and perfecting their logic.

Praise for Essentials of Logic:

‘The best explanation of my doctrines to appear in 2,500 years.’

– Aristotle

‘Bray’s Essentials of Logic was the foundation for all of my thought and ideas.’

– Sir Isaac Newton

‘Through my working life, I made sure to keep a copy of Bray’s Logic near at hand.’

– Albert Einstein

A companion to Sound Reasoning and Argumentation [currently in preparation], Common Errors in Reasoning sets out for the reader the most common errors that people make in their reasoning – including their sources, their consequences, and examples of them. The aim of the book is to develop in the reader the ability to identify and recognise these common errors in reasoning, and to avoid making them in her own reasoning.

Complete with a tremendous set of questions and exercises to help the reader to revise and deepen her learning, Common Errors in Reasoning is essential reading for those interested in, or beginning their journey in, improving and correcting their thought.

Praise for Common Errors in Reasoning:

‘I wish I had read Bray’s Common Errors in Reasoning before listening to my counsellors and marching into Belgium on their shoddy advice.’

– Kaiser Wilhelm II

‘Common Errors in Reasoning was the book that enabled me to recognise, grapple with, and overhaul the immense error of reasoning that was Soviet Communism.’

– Mikhail Gorbachev

‘The book which sharpened my thought.’

– Socrates

Sound Reasoning and Argumentation

Solving Mysteries and Problems

Learning How to Learn - A Guide

Mind and Thought - A Rapid Course

‘Munchausen Syndrome By Proxy as Public Policy’, Quadrant Online, August 27, 2021

[Lead author and project manager] ‘Liquidity in corporate bond markets under stressed conditions’, International Organization of Securities Commissions, June 2019

‘Report into recommendations for improving the treatment of patients experiencing both cardiac and non-cardiac chest pain’, Report for a private client, January 2017

[Co-author] 'Cat bonds can help combat the systemic risks of CCPs', Risk.net, August 2016

My substack, Clear and Critical Thinking: https://clearandcriticalthinking.substack.com/

Richards J. Heuer, Psychology of Intelligence Analysis

L. Susan Stebbing, Thinking To Some Purpose

L. Susan Stebbing, Logic In Practice

J. Welton, Groundwork of Logic

J. Welton and A.J. Monahan, An Intermediate Logic (and a revised edition)

Daniel Kahneman, Thinking, Fast and Slow

Edward de Bono, Edward de Bono's Thinking Course