Catherine Storr Books

Lucy New Acorn Library

By Catherine Storr

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A fast move

By Catherine Storr

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While their parents go by moving van to the new house, Peter and Alison travel by train with Gran and Grandpa, who are very forgetful.

Find the specs

By Catherine Storr

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With Grandma away in the hospital and the grandchildren visiting, Grandpa takes care of the household duties while looking for a misplaced pair of glasses.

Grandpa's birthday

By Catherine Storr

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Grandpa's family arrives to celebrate his birthday with him.

A fast move

By Catherine Storr

Average: 0.00, 0 Ratings

While their parents go by moving van to the new house, Peter and Alison travel by train with Gran and Grandpa, who are very forgetful.

Find the specs

By Catherine Storr

Average: 0.00, 0 Ratings

With Grandma away in the hospital and the grandchildren visiting, Grandpa takes care of the household duties while looking for a misplaced pair of glasses.

Grandpa's birthday

By Catherine Storr

Average: 0.00, 0 Ratings

Grandpa's family arrives to celebrate his birthday with him.

Adam and Eve People of the Bible

By Catherine Storr

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Joseph and His Brothers People of the Bible

By Catherine Storr

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Jonah and the Whale People of the Bible

By Catherine Storr

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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.