Tomser Cat Books

home of brilliant children's books

Something Very Strange...


For some strange reason, snow never, ever  settles on Rudry Mountain...

Some said it was Magic...

      ... or perhaps the Mountain was made of Hot Rock...

but the Truth lay somewhere in between...

What’s more, lots of fresh fruit has been mysteriously vanishing from the greenhouses of Rudry village...

Tyler and his Grandpa set out on an unexpected adventure to unravel the secrets of the Mountain and so much more!

Full Colour Illustrations Throughout


160 pages of high adventure with beautiful colour illustrations throughout.

Suitable for age groups 7 years and up.

Look out for Tomser Cat hidden in the pages of every book!

Produced and printed right here in the UK. 

Two Books in One!


The Mystery of the Un-Snowy Mountain and the Great Deep Sleep Miscalculation  is not just one book, it is actually two books in one!

Right at the back of this book the pages are very old and antiquated and contain the ancient book A Brief History of Dragons

This ancient book contains little known facts and secrets about Dragons and all Dragonkind.

Book Reviews

Here's what others are saying about this book...

A marvellous mystery

I thoroughly enjoyed reading this fantastic book. It was so exciting - a real page turner!

Erin  Lois, age 11

Rating: 5 Stars

Book Review

A great book; very funny! I want  to be a writer when I am older.

Imogen, age 9

Rating: 5 Stars


The book was amazing! It's the only book that I will really read because all the other books that I read are a bit boring. Well done Mark Dorey!

Katie-May, age 8

Rating: 5 Stars (if any higher 10)

Fab book

One of the best books I've ever read! You're up there with Mr Dahl!

Henry, age 9

Rating: 5 Stars

One of the best books ever!

I love it. One of the best books I have ever read in my life. I loved the plot of the story and I loved the mysterious turn of events. 

Megan, age 11

Rating: 5 Stars


I give this book a 5 star rating because it’s fun! 

Morgan, age 8

Rating: 5 Stars

Enjoyed it!

I really enjoyed the book Mark! There is nothing you should change. 

Carrie, age 7

Rating: 5 Stars

Cool book

This was a really cool book! 

Harvey, age 8

Rating: 5 Stars

Really, really good 

I think that it was really, really good because I liked the part where the boy meets the dragon. 

Ava, age 9

Rating: 5 Stars

Lots of detail

I like it because there’s a lot of detail and I like it when they’re on the roof looking over on the roof tops at night. 

Olivia, age 9

Rating: 5 Stars

Absolutely Amazing Adventure!

The book was absolutely amazing. I had the time to finish it all. I hope you can come back in with another book. 

Elijah, age 9

Rating: 5 Stars


Amazing!!! Let me think...1 sec....Amazing 

Charlie, age 8

Rating: 4 Stars

I really like the book

I really like the book. Rhydian is my favourite character. Tomser Cat is hard to find inside the book. 

Tomos, age 9

Rating: 4 Stars

Epic my fav

Loved this book and the ilistrations are epic well done to both you mark and Liz. 

Menu, age 11

Rating: 5 Stars

Loved this book and the illustrations are epic well done to both you mark and Liz. 

Rating: 5 Stars

Really fantastic!

Mark Dorey’s book was really fantastic and I wish I was in the book in real life. It was the best story ever cos it had a dragon. I want to read more stories by Mark Dorey. I love the characters in the story.  The story was long enough and the story was great! 

Kaya, age 10

Rating: 5 Stars

Best Book Ever!

This is the best book I’ve ever read!!! And I had it signed by Mark Dorey himself! Buy this book! 

Dylan, age 8

Rating: 5 Stars

I love your books

I thought it was very good because it was like a mystery and it was really fun and funny. 

Maya, age 7

Rating: 5 Stars

A fascinating adventure 

This book had me gripped from beginning to end. E

than age 9

Rating: 5 Stars


I really liked the book. I really liked the end part. It was brilliant. 

Kieran, age 9

Rating: 5 Stars

Amazing but not perfect

Very far fetched but very, very entertaining. Good illustrations. Amazing but not perfect. 

Luis, age 10

Rating: 4 Stars

Loved the story!

I loved the story - fast flowing, with each chapter leaving you waiting to find out what happened next. Disappointment came first as I thought there were more adventures you could have got from the character - then I realised there was more to come. Can't wait - thanks Mark 

Brenda Healan 

St Helens RC Primary School Caerphilly

Rating: 5 Stars


I love this book - please write more. I love that you had 2 books in one story.. I like it when Grandpa calls the Dragon a nincompoop! 

Aliyah, age 8

Rating: 5 Stars

Amazing, brilliant - a must read!

This book is so interesting. I loved it so much I am so excited to order lots more. 11 and lots more stars!

Kate, age 9

Rating: 5 Stars

Very Good Book

Your book was very good and it must have took you a long time to write - Thank you! 9 stars 

Gethin, age 8

Rating: 5 Stars


Mark Dorey your book is brilliant and amazing! I would like to read more of your books, you are an amazing author! 500 stars - it was brilliant! 

Megan, aged 7

Rating: 5 Stars

Exciting book

One of the greatest books I've read. Great describing words - I read it all day! Exciting book! 

Thomas Age 8

Rating: 5 Stars

Love it!

When I first saw the book I was like the title is so long but I love it! Naushin Age 9

Rating: 5 Stars



I thought about your book and it was amazing - l loved it! 


Rating: 5 Stars


I really enjoyed the book and I didn't want it to end. 

Margot, 8

Rating: 5 Stars

Amazing Book!

It was an amazing book and I really enjoyed reading it. This book is amazing for young readers!

Elizabeth, age 10

Rating: 5 Stars

I love this book the detail in the pictures is amazing and I love the vocab that's why this is my tenth time reading it so amazing thanks mark and liz keep writing no matter what 

Rating: 5 Stars


Loved the book - it was brilliant and amazing! 

Bolbod Aged 8

Rating: 5 Stars

So good!

It was so good I can't even put it down! 

Hangsa, age 8

Rating: 5 Stars

I like your book

I liked it when Tyler stuck his head through the mountain. 

Cora, aged 8

Rating: 5 Stars

It was a brilliant adventure book Mark

Ryan age 9

Rating: 5 Stars

Awsome book

I think this is a great book, and I would recommend it to anyone in the world, I thought it was so good that I couldn't put it down, I read in walking back from  school, eating dinner, everywhere even after I had to go to bed, again I recommend this book and hope to see more (or even a part 2!) 

Matthew age 9 

Rating: 5 Stars

A book of mystery, humour and friendship

Grandpa and Tyler go on a quest to find their missing family members and also solve the mystery of the mountain. I like the way this book shows the friendship between Tyler and Rhydian because you wouldn't think a dragon could be friendly. There are lots of funny parts  in the story. I liked the part where Tyler thinks the gold in Rhydian's secret cave is gold but it is actually something else!  


Rating: 5 Stars

Amazing book full of freindship and adventure 

Brilliant book! The main character Rhydian is a dragon who eats fruit and lives in Rudry Mountain, he helps Grandpa and Tyler with their quest to find his family... by doing this they also solve the mystery of the mountain. I found the book easy to read and liked the Dragon Appendix - A brief history of Dragons because it explains the different types of dragons. 


Rating: 5 Stars


Amazing book full of mystery and adventure .

 Grandpa and Tyler go on a adventure to find out why snow never settled on Rudry mountain. Tyler discovers a secret entrance and finds Rhydian who is a dragon that eats cooked fruit and together they become great friends and solve the mystery of the mountain. It is a great book about friendship and family. I would recommend this book because it keeps you guessing and make you want to read on. 


Rating: 5 Stars

Dragon Lovers Beware

Amazing book full of friendship, adventure and mystery. Mark Dorey takes you on an adventure of revealing the secrets of Rudry mountain. The main characters  Rhydian (dragon),Tyler and Grandpa all set off to find missing family members. I really enjoyed the book and think it is a great story for children my age. 


Rating: 4 Stars

Fly high with Rhydian, Tyler and Grandpa 

Great book all round full of action and adventure and friendship. Rhydian (a dragon) Tyler and Gandpa embark on a mysterious quest for their missing family members. Along the way they solve the mystery of the un- snowy mountain and the Great Deep Sleep.   


Rating: 5 Stars

Best book in the world

I love this book because the fruit letters

Rating: 5 Stars

Great title

I thought the story excellent and it made me want to read all the book.

Rating: 5 Stars

By Katie age 11

Hello mark you came to our school and I bought one of your books. The book was absolutely brilliant I really enjoyed it it was fab thanks mark for coming to our school.

Rating: 5 Stars

How much I enjoyed the book

Hi I am Lucy, aged 9 You might remember me from the book signing I really enjoyed the book I have finished it and wanted to thank you for signing my book. Many thanks 


Rating: 5 Stars

the mystery of the un snowy  mountain and the great deep sleep miscalculation

I just started reading it coz mark dorey came to my school today (my name is zainab) and so far so good

Great Book!

I  really enjoyed the book, no wonder it took so long to write the book! It was very interesting and I couldn't put the book down. This book is the best book ever!!!  

 love Nia xxx.  Aged 7  

Ysgol Evan James

Rating: 5 Stars

Loved it!

I loved this book! Full of intrigue, mystery and adventure, and even had me laughing out loud! Can't wait to read more about Tyler and Rhydian’s adventures! 


Rating: 5 Stars

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