Number Planet: How Big is a Polar Bear? - A book about measurements

This fun picture books helps young children get to grips with size and measurement through bold pictures, activities and things to spot on the page. Leon and Luna are having a magical adventure around the world comparing and measuring animals, seeing how big redwood trees are and finding out about heavy and light things. Through the story, children aged 4 plus will learn about maths concepts including: how we compare sizes and measure things and weight and capacity. Number Planet are picture books that help children explore first maths concepts. Titles in the series cover the topics of Addition, Subtration, Measurements and Shapes.

About the author

Award-winning author Louise Spilsbury, who also writes under the name Louise Kay Stewart, has written over 250 books for young people on a wide range of exciting subjects. She loves writing children's books as it gives her the chance to keep learning about new stuff. She lives and works near the coast in South Devon and loves to walk on the beach and swim in the sea after work. Louise won The English Association Margaret Mallett Award for Children's Non-Fiction 2019 for Rebel Voices: the rise of votes for women.Emily studied at the Wolverhampton School of Art, achieving a first-class BA Hons degree and a distinction Master's degree in Illustration. Her work is created digitally and reflects a hand drawn style, inspired by memories of reading picture books as a child.

Product details

• Authors: Louise Spilsbury, Spilsbury Louise
• Assisted by: Emily Cooksey (Illustration)
• Publisher: Wayland
• Languages: English
• Age Recommendation: from age 4
• Product format: Hardback
• Release: 12.02.2026
• EAN: 9781526330826
• ISBN: 978-1-5263-3082-6
• No. of pages: 32
• Series: Number Planet
• Subjects: Children's and young people's books > Play, learning > Mathematics; JUVENILE NONFICTION / Mathematics / General, JUVENILE NONFICTION / Concepts / Size & Shape, PICTURE BOOKS, ACTIVITY BOOKS & EARLY LEARNING MATERIAL, For National Curriculum Key Stage 1, Interest age: from c 4 years, Early learning: numbers & counting, For National Curriculum Key Stage 1 (Northern Ireland)