Welcome to
Mark Thomas Books
Stories from the mixed-up mind of a former health and safety professional
New and Featured bookS
Sneepoogull: The Sneezy Seagull with the Messy Problem
An informative humourous story warning of the dangers to avoid at the seaside. Perfect for early readers. Recommended for ages 4-8.
Everybody knows to keep an eye on their chips at the seaside. But nobody tells you what to do if the seagull trying to steal them is as big as a small car!
Meet Reggie the Sneepoogull: the result of generations of greedy gulls gobbling chips, burgers and all sorts of discarded food. Now he has a permanently tickly nose, a very poorly tummy and a sneeze that can be heard for miles.
Join Noah and his Grandad as they uncover the secret of these strange seaside birds—and learn the one rule you must never forget:
If you hear “AHH… CHOO!”… beware “AHH… POO!”
Colin the Over-Confident Octopus
Everybody knows an octopus is clever. But Colin thinks he might just be the cleverest creature in the whole ocean!
Meet Colin the Over-Confident Octopus. Colin has an amazing talent — he can change colour and blend into his surroundings so well that his friends can hardly see him. After fooling Coco the Clownfish and Boggle the Frogfish, Colin becomes more and more convinced that nobody in the sea can beat him at hide-and-seek.
But when Colin decides to test his skills against Gash the Great White Shark, his confidence gets him into far more trouble than he expected.
Join Colin on a colourful underwater adventure packed with fun, friendship, amazing sea creatures and an important lesson about believing in yourself without becoming a little too sure of yourself.
Being confident is great… but being over-confident can get you into trouble!
Creep, Rattle, Cackle!
Halloween Rhymes, Frights & Hidden Delights
What really comes knocking when darkness falls on Halloween night?
Meet a wonderfully wicked collection of Halloween favourites — from mummies, witches and ghosts to werewolves, zombies, trolls and Frankenstein’s Monster — each brought to life through funny, spooky rhymes that are made to be read aloud.
The fun doesn’t end when the rhymes are finished. Creep, Rattle, Cackle! is packed with colouring, word searches, spot-the-difference puzzles and hidden activities to keep young monster hunters entertained.
Spooky enough for Halloween. Silly enough for plenty of giggles.
Perfect for children aged 6–10.
Colin The Octopus
In Graveyard Of The Deep
A Fishy Halloween Tale
Ghosts, Vampires, Zombies & Other Real Life Creatures
Colin is back for his second underwater adventure — and this time things are getting spooky!
It’s Halloween beneath the waves, and Colin, Coco the Clownfish and Boggle the Frogfish are dressed up and ready for a night of tricks, treats and fun. But when Gash the Great White Shark challenges Colin to venture somewhere no sensible sea creature would dare to go, Colin’s courage is about to be put to the test.
His journey takes him deep into the mysterious Graveyard of the Deep, where strange shadows move through the darkness and terrifying creatures begin to appear. Ghosts, vampires and zombies might belong in Halloween stories… but beneath the ocean, things aren’t always quite what they seem.
Packed with colourful underwater adventure, humour, spooky surprises and some of the strangest creatures in the sea, Graveyard of the Deep mixes Halloween fun with fascinating discoveries about the incredible world beneath the waves.
A spooky, funny adventure for young readers who love sea creatures, Halloween and discovering that truth can sometimes be stranger than fiction.
For grown-ups, teachers and small readers
Everything on this site is free to print and share at home, in the classroom or at the library.
Sneepoogull Colouring Sheet
A big friendly seagull at the beach, waiting for a splash of colour.
Make a Paper Seagull
Cut, fold and flap. A simple paper craft using things already in the cupboard
Sneepoogull Word Search
Can you find all the hidden Sneepoogull words? Look carefully for words from Reggie’s messy seaside adventure.
Can you find the ten hidden Colins Sheet
Search-and-find activity where children must spot 10 camouflaged Colins hidden in a colourful underwater scene.
Ocean creature matching game
Improve children’s visual recognition skills by identifying and matching sea creature names with their images.
Colin's word search
Look carefully for words from Colin’s underwater adventure.
Sneepoogull: The Sneezy Seagull with the Messy Problem
Colin the Over-Confident Octopus
Creep, Rattle, Cackle!
Halloween Rhymes, Frights & Hidden Delights
Halloween Monster Colouring Sheets
Add a splash of colour to Dracula and a host of his friends if you dare!
Halloween Word Search
Can you find all the hidden Halloween words? Search carefully across, down and diagonally — some may even be hiding backwards!
Help the Witch discover her items.
The witch has lost some of her spooky belongings among the pages of the book! Can you help her find everything she’s looking for? Search carefully — some are very well hidden. Will you find them all?
Colin the Octopus In Graveyard of The Deep
Graveyard of the Deep Maze
A printable maze based on Colin’s journey. Start at the Graveyard Gates and navigate your way to reach Captain Squid’s grave. Can you reach all 5 Pumpkins lost along the route?
Create Your Own Storybook Character!
Take a real sea creature and transform it into a storybook character. Give it a name, personality, costume or special powers, then draw your creation. What will you create?
Colin and the sea creatures from the Graveyard of the Deep Colouring Sheets.
A fun set of six printable Halloween colouring sheets featuring Colin, his friends and spooky creatures from the Graveyard of the Deep. Perfect for children to colour at home, in school or as a Halloween activity.
And theres more ..........
📚 School visits in Pembrokeshire
Now welcoming enquiries from schools, nurseries, libraries and reading groups.
Colin The Octopus in
Graveyard of the Deep
Colin is back for a spooky new underwater adventure in Graveyard of the Deep. On Halloween night, he sets off alone into the mysterious deep, where strange creatures, eerie surprises and plenty of trouble are waiting.
🎬 The monsters are coming to life
The latese Werewolf video is now available to view.
Watch Frankenstein's Monster, the Mummy and more in the new animated videos.