
A first-person memoir
Callum wrote The Secrets of My Spectrum at just 16, sharing his own experiences of sensory overload, anxiety, education, friendships, communication and finding his own way. His experiences. His words. His perspective.
The Secrets of My Spectrum became an Amazon #1 bestseller and has since been read by families, educators and autistic readers around the world.
This is Callum's personal memoir and lived experience — not medical or clinical advice.
"It really helps to see through the eyes of someone with ASD."
"This book should be read in every school."
"It is the first autism book my son has wanted to engage with."
📖 Paperback
📱 eBook
🎧 Audiobook
🔤 Large Print
✍️ Signed Copies
Callum shares his own experiences with honesty, warmth and clarity, offering readers a first-person perspective on.
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" This book is very good and helps me understand my daughter."
— Paula (Parent)
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"Thank you, Callum. This book has been so important for my 13 year old son and I. It is the first book about autism he has wanted to engage with, and it has really helped us have open conversations. "
— RW (Parent)
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" I got this book after hearing about it on social media. I have been reading it every night with my 7-year-old.. He has found it very reassuring that other children have felt the same as him, and I find it invaluable to understand how he views the world. As he grows into a teenager, it will really help him. Great book. " — Mrs T Flower (Parent)
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"It is an insightful resource that would greatly enhance the quality of support and understanding and foster greater inclusion. Thank you."
— Brian, Autism Support Community

After sharing his experiences as a teenager, Callum returns to tell the next chapter of his story, growing up, becoming independent, finding work and navigating adulthood.

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£16.99
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£8.95
Bundle deals available when you add more books to cart.
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Posted from the UK

£9.95
Ideal for readers who prefer larger, clearer text.
Bundle deals available when you add more books to your cart.
All profits go to the author.
Posted from the UK.
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After sharing his experiences as a teenager, Callum returns to tell the next chapter of his story.
Discover Callum's experiences of:
• Becoming an adult
• Building independence
• Employment
• Relationships
• Changes in confidence and self-understanding
• Navigating adulthood
Callum's story isn't about perfection or easy answers. It's about resilience, discovery and the everyday realities of growing into adulthood.
In his second memoir, Callum reflects on becoming more independent, finding his place in the world and navigating life beyond childhood.
Perfect for readers who enjoyed The Secrets of My Spectrum and want to continue Callum's journey.
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"I work with young children with Autism & am always wishing they could explain how they feel. This has given me answers to some of the questions I wonder about. Thank you".
— Tracey Martin
"When we say listen to autistic people, Callum’s book is one of those voices — authentic, inclusive, incredibly kind and open‑minded. He is, without doubt, becoming a bridge builder, a beacon of light and inspiration for others to follow."
— Brian, Autism Support Community

£16.99
All profits go to the author
Posted from the UK to:
USA
Canada
Australia
Spain
If your country is not shown, contact us, and we will add it.

Download now
Bundle deals available when you add more books to cart.
£4.95

Bundle deals available when you add more books to cart!
All profits go to the author
Shipped from the UK
£8.99

Ideal for readers who prefer larger, clearer text.
Bundle deals available when you add more books to cart.
All profits go to the author
Ships from the UK
£9.95

A First-Person Account of Living With PDA - Pathological Demand Avoidance / Pervasive Drive for Autonomy.

A gentle, interactive story that includes a colouring page and a fun spot-the-difference activity to encourage discussion and engagement.
ISBN (Paperback): 978-1916258600
Page count: 154
Publication date: Dec 2019
ISBN (Paperback): 978-1917514187
Page count: 165
Publication date: Dec 2025
These books are available at the British Library
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