ADHD isn’t a deficit.
It’s a difference.

A compassionate, beautifully illustrated guide to understanding the ADHD mind.

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A new kind of ADHD book

A Delightful Human Difference is a new illustrated eBook by bestselling author Matthew Johnstone and psychologist Janelle Booker. Warm, evidence-informed, and genuinely reassuring, this book explores why the ADHD brain works the way it does, and why that's not something to fix.

Ninety original illustrations. A whole new way of seeing.

Preview

  • I don’t have ADHD, but I have some friends in my life who I love so deeply who would really identify with Kipi. I kept thinking of them as I was reading, and I want to send this book to all of them!

    Lael Stone, Parenting Educator and Author of Raising Resilient & Compassionate Children

  • A gorgeous read, capturing so many elements of the ADHD experience with such compassion and insight. A piece of high-quality clinical communication, deeply grounded in humanity.

    Dr Michelle Livock, Clinical Neuropsychologist and Co-host of The Neurodivergent Woman Podcast

  • “This book will meet you where you’re at. It’s the perfect combination of art, research, and the power of laughter. Reading it felt like a soothing balm for my soul.”

    — Kate / ADHDer

  • “This book makes ADHD so much easier to understand and navigate, thanks to the lovely illustrations and text. Such a valuable tool for conversations with others.”

    — Elizabeth / Parent

  • "There are countless “A-HA!” moments from the perspective of anyone with ADHD and important insights for partners who have been flying wing-person in the ADHD journey."

    — Rich / Partner

  • A wonderful amalgam of style and substance, bringing ADHD into sharp focus. Janelle Booker lifts the curtain on both well-known and lesser-recognised expressions of this fascinating condition, while Matthew Johnstone illustrates the guide with positivity, optimism and whimsy at every turn of the page.”

    — Professor Gordon Parker, Founder of the Black Dog Institute

This book is for you if…

  • You're ready to see yourself as more than your struggles

  • You're the parent of an ADHDer — whatever their age

  • You're the partner or friend of an ADHDer who wants to understand them better

  • You're a professional who works with and cares about ADHDers

Be the first to know

The eBook is coming soon. Register your interest now and we'll notify you the moment it's available to purchase.

As a thank you, everyone who signs up will receive a signed, high-resolution digital print of one of Matthew's illustrations, ready to print, frame, or use as a screensaver.

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The people behind the book

Matthew Johnstone is a bestselling author and illustrator whose books have helped millions of people understand mental health. A Delightful Human Difference is his most personal project yet.

Janelle Booker is a psychologist specialising in ADHD across the lifespan. She brings warmth, expertise, and lived experience to everything she does.

Meet Matthew & Janelle