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  • Home
  • 📖 Books
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    • Fantasy
    • Secrets of My Spectrum
    • MORE Secrets
    • PDA
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    • Sight Reading Books
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  • About

The Secrets of My Spectrum

Understand autism through the eyes of an autistic teenager


A heartfelt first-person account helping parents, teachers and autistic readers understand what autism really feels like—through lived experience, not medical jargon. 

 

Why readers recommend this book


✓ Understand their child's anxiety


✓ See autism from their child's perspective


✓ Recognise sensory overload


✓ Start meaningful conversations


✓ Help autistic children feel understood and less alone


✓ Build stronger relationships


✓ Gain practical ideas for everyday life

⭐⭐⭐⭐⭐ Loved by Readers Worldwide

"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."
 

Written by Callum Knight

Written by autistic author Callum Knight when he was just 16 years old, The Secrets of My Spectrum became an Amazon #1 bestseller and continues to help families, educators and autistic readers around the world.


  Available in 

📖 Paperback

📱 eBook

🎧 Audiobook

🔤 Large Print

✍️ Signed Copies

Why Callum wrote this book

 After being diagnosed autistic at 13, Callum discovered that many books explained autism—but very few explained what it actually feels like to live with it every day.


At just 16 years old, he decided to change that.


Instead of medical definitions and complicated terminology, Callum shares his own experiences with honesty, warmth and clarity, helping readers see the world through autistic eyes.

Discover Callum's honest experiences of:


• Sensory overload and shutdowns


• Stimming and self-regulation


• Anxiety and navigating social situations


• Special interests and passions


• Education and growing up autistic


• Friendships, communication and empathy


• What helped—and what didn't


• Reflection pages after every chapter for your own notes and thoughts


This book is ideal if you are:


✓ The parent or carer of an autistic child


✓ A teacher, teaching assistant or SEN professional


✓ Newly diagnosed and looking to understand yourself better


✓ Supporting an autistic teenager


✓ Looking for an autism book written by an autistic author


✓ Searching for an easy-to-read guide without medical jargon


What Readers Are Saying

⭐⭐⭐⭐⭐

" This book is very good and helps me understand my daughter's autism."

 — Paula  (Parent)


⭐⭐⭐⭐⭐

"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)


⭐⭐⭐⭐⭐

" I got this book after hearing about it on social media. I have been reading it every night with my 7-year-old, who is autistic, specifically with Pathological Demand Avoidance. 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)


⭐⭐⭐⭐⭐

"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 

eBook

Audiobook

Download now


  • Instant delivery via BookFunnel. 


  • Read on any device. 


  • No subscription required. 


  • All profits go to the author.


Bundle deals available when you add more books to cart.


£4.95

BUY

Audiobook

Audiobook

Download Now


Narrated by

Nick Denton


 

  • Instant delivery via BookFunnel. 


  • Listen on any device. 


  • No subscription required. 


  • All profits go to the author


£8.99

BUY

Author Signed Paperback

Author Signed Large Print

£8.95


Bundle deals available when you add more books to cart.


 All profits go to the author


Posted from the UK

BUY

Author Signed Large Print

Author Signed Large Print

£9.95


 Ideal for readers who prefer larger, clearer text, including many dyslexic, visually impaired and neurodivergent readers. 


Bundle deals available when you add more books to cart.


All profits go to the author


Posted from the UK

BUY

The Great British Bookshop

When you order through The Great British Bookshop, you're doing more than buying a book – you're directly supporting the author, with a greater share of every sale going to the person who wrote it.


Your book is printed to order, meaning it's produced especially for you rather than taken from warehouse stock. This print-on-demand approach helps reduce waste, making it a more environmentally responsible way to buy books.


No matter where you are, worldwide shipping makes it easy to have your book delivered straight to your door.


Thank you for supporting independent authors and choosing a more sustainable way to buy books.

BUY

Amazon Affiliate Links

Amazon-UK
Amazon-USA
Amazon-CANADA
Amazon-Australia

Barnes & Noble

Barnes & Noble is a trusted bookseller with a long history of connecting readers with great books. 


Their easy-to-use website, secure checkout, and reliable delivery make ordering simple, while many titles are also available for in-store pickup where offered. If you're a regular Barnes & Noble customer or a member of their rewards programme, you may also enjoy additional benefits when purchasing your book.

BUY

Waterstones

Waterstones is one of the UK's best-loved booksellers, known for its passion for books and knowledgeable booksellers. 

Buying through Waterstones helps support a retailer dedicated to promoting reading and connecting readers with great authors.


With a secure online store, reliable delivery, and the option to check availability in many local bookshops, Waterstones makes it easy to order your copy in the way that suits you best.

BUY

more secrets of my spectrum

Continue Callum's Journey

After sharing his experiences as a teenager, Callum returns to tell the next chapter of his story. 


More Secrets of My Spectrum

Discover Callum's experiences of:


• Becoming an adult

• Building independence

• Employment

• Relationships

• Mental health

• Growing in confidence


Perfect for readers who enjoyed The Secrets of My Spectrum and want to continue the journey.

View Book 2

Readers also enjoyed

The PDA Effect

 For readers wanting to understand PDA - Pathological Demand Avoidance / Pervasive Drive for Autonomy. 

Learn More

On the Bus

 A gentle, interactive story about autism that includes a colouring page and a fun spot-the-difference activity to encourage discussion and engagement.  

Read More

Book details

The Secrets of My Spectrum

ISBN (Paperback):  978-1916258600 

Page count: 154  

Publication date: Dec 2019  

More Secrets of My Spectrum

ISBN (Paperback):   978-1917514187 

Page count: 165 

Publication date: Dec 2025  


These books are available at the British Library


 Frami Books® is a registered trademark in the UK


© 2026 Frami Books — Established 2019

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