Catherine Storr Books

The Complete Polly and the Wolf

By Jill Bennett, Catherine Storr Illustrated By Marjorie Ann Watts

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When Catherine Storr’s daughter was very small, she was afraid of the wolf under her bed, so every night her mother would tell her a story in which Polly outwitted the wolf. These bedtime sto...

Marianne Dreams

By Catherine Storr

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A fast move.

By Catherine Storr

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Find the specs

By Catherine Storr

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Gran Builds a House Read Together

By Catherine Storr, Toni Goffe

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Gran Builds a House Read Together

By Catherine Storr

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Grandpa s Birthday Read Together

By Catherine Storr

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A Fast Move Read Together

By Catherine Storr

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Clever Polly and the stupid wolf

By Catherine Storr

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One day the front door bell rang and Polly went to open the door. And there was a great black wolf who said he had come to eat her up. He was quite surprised when Polly said she didn't want to be e...

Robin en FRANCAIS

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.