Helen Craig Books

While spending the day at the seashore, two adventurous mice share a wild ride in a boat, become lost in a toy theater, and escape from a seagull's nest.

Angelina's Halloween

By Helen Craig

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Halloween brings excitement and thrills for Angelina and her little sister Polly, who gives her an unexpected scare.

Angelina s Birthday

By Helen Craig, Katharine Holabird

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Angelina and the Princess

By Helen Craig, Katharine Holabird

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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.