Unseen

Name: Unseen
Price: 34.99 AUD
Availability: PreOrder
ISBN: 9781399422390

Blind spots and why we miss what matters most

Dr David Lewis, Keelan Leyser

$34.99

Paperback

Forthcoming
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English

Bloomsbury Sigma
09 April 2026

Physiological & neuro-psychology, biopsychology; Popular science

The fascinating psychology of blindspots, their complex causes, and the alarming consequences of looking without seeing.

Can we believe our eyes? Most of us are confident that we can, but we shouldn't be so sure. Every day, we fail to see things that are right in front of us, miss sudden or unexpected changes and fall for illusions without realising it. The culprit? Blind spots. These hidden gaps in our perception are responsible for errors in operating machinery, diagnosing medical conditions, giving evidence in court and even influence how we invest our money or shop.

Unseen explores the hidden corners of the human mind where perception fails, from the everyday oversights to the deep-rooted cognitive biases that shape our worldview. Lifting the lid on how our minds shape what we see, neuropsychologist David Lewis and illusionist Keelan Leyser explore the different types of blind spots, why they occur, how they can be used to manipulate our thoughts and the practical steps we can take to avoid them.

What have you been missing?

By: Dr David Lewis, Keelan Leyser
Imprint: Bloomsbury Sigma
Country of Publication: United Kingdom
Dimensions: Height: 214mm, Width: 132mm, Spine: 28mm
Weight: 340g
ISBN: 9781399422390
ISBN 10: 1399422391
Pages: 336
Publication Date: 09 April 2026
Audience: General/trade , ELT Advanced
Format: Paperback
Publisher's Status: Forthcoming

Introduction 1. The role of attention in looking and seeing 2. Change blindspots 3. Choice blindspots 4. Expectation blindspots 5. Illusions 6. The non-conscious level 7. Do you see what I see? 8. Blindspots in business 9. Blindspots in shopping 9. Blindspots in romantic relationships 10. How blindspots are used in magic and illusions 12. Manipulation of blindspots by retailers, advertisers and politicians 13. Discovering your blindspots 14. Banishing blindspots

David Lewis was a neuropsychologist and Fellow of the Royal Society of Medicine and an Associate Fellow of the British Psychological Society. He was Chairman of the award-winning research consultancy Mindlab International. Keelan Leyser is a digital illusionist and world expert on using blindspots to intrigue, baffle and bemuse audiences worldwide.

Reviews for Unseen: Blind spots and why we miss what matters most

Lewis and Leyser show how subliminal priming influences the ways humans encounter the world, and provide commonsense strategies to avoid falling prey to such illusions and oversights. It’s a riveting and relevant work of pop psychology. * Publishers Weekly: *