Helen Craig Books

Angelina and the Butterfly

By Helen Craig, Katharine Holabird

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The Random House book of nursery stories

By Helen Craig

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A collection of ten well-known nursery tales, including "Goldilocks and the Three Bears," "The Three Billygoats Gruff," and "Little Red Riding Hood."

Susie and Alfred in The night of the paper bag monsters

By Helen Craig

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Pig friends Susie and Alfred quarrel while preparing for a costume party but make up in time to go together as scary paper bag monsters.

Susie and Alfred in A welcome for Annie

By Helen Craig

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Susie and Alfred plan a naughty welcome for their new neighbor, Annie, but when their plan backfires they discover that Annie is a very much kindred spirit.

The knight, the princess and the dragon.

By Helen Craig

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Angelina Ballerina annual 2006

By Helen Craig, Katharine Holabird

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Meet Angelina Ballerina

By Helen Craig, Katharine Holabird

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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.