Every map tells a story and makes spaces, ideas, and events easier to understand. Where are you? Let's find out!

  • Copper/Band 12 books provide more complex plots and longer chapters that develop reading stamina.
  • Text type - An information book.
  • The book is organised into short chapters to help children practise the skills of locating and identifying important information.
  • The glossary and index on page 29 can be used to develop children's information retrieval skills further.
  • Curriculum links - Geography - geographical skills

How to Build a House

by Isabel Thomas

Published 1 September 2016

What is your house made of? Around the world, you will find homes made of mud, stone, wood, glass, metal, concrete and even recycled plastic. Building materials can be strong, flexible, mouldable - and even beautiful! Find out how architects choose the right material for each job.

Sapphire/Band 16 books offer longer reads to develop children's sustained engagement with texts and are more complex syntactically.

Text type: an information book.

Curriculum links: science

Ideas for reading at the back of the book provide practical support and stimulating activities.


Build your child’s reading confidence at home with books at the right level

Find out all about two ground breaking figures in medicine – Elizabeth Blackwell and Elizabeth Garret Anderson, two women who fought to become doctors in the early 1800s. What was life like for women in the early nineteenth century, what obstacles did both women come up against and ultimately how did they succeed?

  • Sapphire/Band 16 books offer longer reads to develop children's sustained engagement with texts and are more complex syntactically.

Climate Strike

by Isabel Thomas

Published 10 January 2022

Collins Big Cat supports every primary child on their reading journey from phonics to fluency. Top authors and illustrators have created fiction and non-fiction books that children love to read. Levelled for guided and independent reading, each book includes ideas to support reading. Teaching and assessment support and eBooks are also available.

In 2019, children made history by leading a worldwide movement to demand that adults tackle the climate emergency. Discover how the school strikes began and developed - growing from the actions of one teenager into a global movement - and how important climate action is for the future of the world.

Ruby/Band 14 books give increasing opportunities for children to develop their skills of inference and deduction.

Text type: An information book

Ideas for reading in the back of the book provide practical support and stimulating activities.


Build your child’s reading confidence at home with books at the right level

Not your average science book, this in-depth analysis of the smallest living things in our world, gives captivating insight into the wonderful world of microorganisms. Focussing on bacteria, fungi, protists and viruses, it explains some of the biggest diseases of our time as well as the processes of protecting ourselves.

  • Pearl/Band 18 books offer fluent readers a complex, substantial text with challenging themes to facilitate sustained comprehension, bridging the gap between a reading programme and longer chapter books.
  • Text type:
  • Curriculum links:

Build your child’s reading confidence at home with books at the right level

Take a closer look at the amazing changes the future may hold, including robopets, space tourism and locust burgers, as well as the wider impact of our future life on the climate and extinction of animals. Using the most recent research and predictions, this photographic non-fiction book by Isabel Thomas expertly guides us through life in 2050.

  • Pearl/Band 18 books offer fluent readers a complex, substantial text with challenging themes to facilitate sustained comprehension, bridging the gap between a reading programme and longer chapter books.
  • Text type: A non-chronological report.
  • Curriculum links: Science: Enquiry in environmental and technological contexts; Citizenship: Choices.
  • This book has been quizzed for Accelerated Reader.

Are Unicorns Real?

by Isabel Thomas

Published 10 January 2022

Collins Big Cat supports every primary child on their reading journey from phonics to fluency. Top authors and illustrators have created fiction and non-fiction books that children love to read. Book banded for guided and independent reading, there are reading notes in the back, comprehensive teaching and assessment support and ebooks available.

Most people know what a unicorn looks like. We often see unicorns in books and films, and even on banknotes. But no one has ever seen a unicorn in real life. Were unicorns ancient animals that became extinct, like the dinosaurs? Or do they only exist in our imaginations?

Get ready to explore the history of unicorn myths and legends, and weigh up the evidence that unicorns once existed - or still do!

Lime Plus/Band 11+ books provide challenging plots and vocabulary as well as opportunities to practise inference, prediction and reading stamina.

Pages 46 and 47 allow children to re-visit the content of the book, supporting comprehension skills, vocabulary development and recall.

Ideas for reading in the back of the book provide practical support and stimulating activities.

Imagine spending every day finding out more about your favourite topic in the world. This sounds too good to be true but is exactly what scientists do! Isabel was inspired to write about the science of unicorns after receiving dozens of curious questions on her visits to schools.


Why Do We Dream?

by Isabel Thomas

Published 10 January 2022

Collins Big Cat supports every primary child on their reading journey from phonics to fluency. Top authors and illustrators have created fiction and non-fiction books that children love to read. Book banded for guided and independent reading, there are reading notes in the back, comprehensive teaching and assessment support and ebooks available.

Dreams can be strange, funny or scary, but they all have something in common. Almost everyone has them! Scientists are trying to understand why. Do dreams help our brains to store yesterday's experiences, or prepare for the future? Or are they just a side effect of a busy brain at work? Let's dive into different ideas about dreams and find out!

White Plus/Band 10+ books provide challenging plots and vocabulary as well as opportunities to practise inference, prediction and reading stamina.

Pages 46 and 47 allow children to re-visit the content of the book, supporting comprehension skills, vocabulary development and recall.

Ideas for reading in the back of the book provide practical support and stimulating activities.

Isabel first explored the science of sleep and dreams while studying animal behaviour as part of her degree. She was keen to help young readers find out how scientists have tackled questions about dreams and - even more importantly - begin to ask new questions of their own.


Are dragons real?

by Isabel Thomas

Published 10 January 2022

Collins Big Cat supports every primary child on their reading journey from phonics to fluency. Top authors and illustrators have created fiction and non-fiction books that children love to read. Book banded for guided and independent reading, there are reading notes in the back, comprehensive teaching and assessment support and ebooks available.

All around the world, people have been telling stories about dragons for thousands of years. But where did these stories come from? Did dragons ever exist? Explore the history behind dragons and the creatures that helped create the dragon myths we still know today.

Lime Plus/Band 11+ books provide challenging plots and vocabulary as well as opportunities to practise inference, prediction and reading stamina.

Pages 46 and 47 allow children to re-visit the content of the book, supporting comprehension skills, vocabulary development and recall.

Ideas for reading in the back of the book provide practical support and stimulating activities.

Scientists explore and try to explain the things they are most interested in - whether it's plants or people, dogs or... dragons! Isabel wrote this book to explore how scientists have tried to explain dragons over the years, and in doing so, to show that being a scientist isn't about being the brainiest person in the room. It's about curiosity, teamwork, and challenging old ideas.