Caroline Castle Books

Gorgeous

By Caroline Castle

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A baby zebra narrowly escapes danger as it tries out the first words it has learned.

Gorgeous

By Caroline Castle

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A baby zebra narrowly escapes danger as it tries out the first words it has learned.

Grandpa Baxter and the photographs

By Caroline Castle

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Benjamin, a young teddy bear, watches the history of his family unfold as he and Grandpa explore Great-granddad Dudley's photograph collection.

Brown Bear s wonderful secret

By Caroline Castle

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"Brown Bear has a wonderful secret. All the animals think it can't be that special. You wouldn't want to eat it and it doesn't fly. What can it be? They're longing to find out. But it's not until t...

Herbert Binns & the flying tricycle

By Caroline Castle

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Herbert Binns is such a clever mouse that some of the other animals are jealous of his talents and plot to sabotage his new invention, a flying tricycle.

The hare and the tortoise

By Caroline Castle

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Relates the events of the famous race between the boastful hare and the persevering tortoise.

Herbert Binns and the Flying Tricycle Pied Piper

By Caroline Castle

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For every child

By Caroline Castle

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Rosie Pugh and the great clothes war

By Caroline Castle

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Desperate to impress the stylish Tamara, a new girl at school, twelve-year-old Rosie becomes so obsessed with getting some new jeans that she drives her mother crazy, neglects her best friend, and...

The Big Fuzzy

By Caroline Castle

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.