Cal and the Busy Brain
When thoughts race and energy builds, Busy Brain turns the experience into a vivid adventure about focus, feelings and finding supports that fit.

Choose the challenge, discover the right adventure, and take home books designed to make learning, SEND and emotional development feel engaging rather than clinical.


Explore the worldsStart with the need, not the catalogue. Each route takes you straight to a relevant Cal world.
When thoughts race and energy builds, Busy Brain turns the experience into a vivid adventure about focus, feelings and finding supports that fit.
A luminous river journey through words, patterns and memory—built around the idea that there is more than one route into reading.
Explore different ways of sensing, thinking, communicating and belonging.
A clockwork world about movement, coordination, pacing and finding your route.
A reassuring adventure around worries, uncertainty and responding to anxious feelings.
A jungle adventure about trying, mistakes, confidence and what bravery can look like.
A cinematic mountain adventure about setbacks, persistence and discovering that difficult things can be climbed one small step at a time.
A warm journey about including others, navigating friendships and finding belonging.
A sensory colouring journey for noticing, understanding and communicating sensory needs.
A cinematic journey through anger, body clues, pausing and resetting.
A calming night-time journey through sleep, worries, feelings and bedtime routines.
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Curated Cal bundles group related themes together for families, SEND libraries and small-group use. School class sets remain on the separate school-order route.



Busy Brain, City of Many Ways and Storybook River — three story-led journeys around ADHD, autism and dyslexia.



Wavy Worries, Brave Jungle and Mighty Mountain — anxiety, confidence and resilience in one connected set.



Busy Brain, Wavy Worries, Brave Jungle, Mighty Mountain and Friendship Garden — a broad starter collection spanning regulation, anxiety, confidence, resilience and belonging.
The complete ten-book collection will be £119.99. It will switch to live checkout once all ten final titles are available in the shop.
First StepsA sparkling first-step adventure that makes brushing, toothbrushes and the tooth-care routine feel more familiar before it is time to try.
First StepsA gentle potty journey about the steps, the wobbles and the confidence that comes from trying again.
First StepsButtons, sleeves, socks and shoes become part of a magical dressing-world where independence grows one small step at a time.
First StepsA warm, playful bath-time world that helps children picture washing, bubbles and the order of the routine.
First StepsA magical first-day journey that helps children picture nursery, goodbyes, play and what happens next.
World of Teeth, Potty Path, Dressing Den, Bath-Time Bay and Nursery of Wonders.
Browse the four located titles. Calm Through Colour is a digital-download-only range; no physical copies are sold through the shop.

Part of the Calm Through Colour therapeutic colouring series.
View collection →
Part of the Calm Through Colour therapeutic colouring series.
View collection →
Part of the Calm Through Colour therapeutic colouring series.
View collection →
Part of the Calm Through Colour therapeutic colouring series.
View collection →

Hewston Higgins is building a connected library from first experiences and early maths to SEND journeys and older-reader fiction.
Longer stories for readers ready for bigger worlds. Confirmed live prices are shown; titles without a confirmed live price stay browse-only.



Book One: The Seven Flavour Gems — a magical fantasy adventure about colour, flavour, courage and belonging.
Personal/household-use PDF downloads. School and classroom reproduction is not included.
Buy individual classroom licences without a membership, or use school membership for wider licensed-setting access.