Helen Craig Books

Angelina Loves

By Erin Falligant, Katharine Holabird

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Angelina s Baby Sister

By Katharine Holabird

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Angelina Ballerina's 1 2 3

By Katharine Holabird

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Mice engaged in spinning, leaping, dancing, and other playful activities invite the reader to count from one to ten. Suggested counting activities listed at back.

Angelina Ballerina's colors

By Katharine Holabird

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I Can Do Anything

By Pleasant Company

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Two Mice in a Boat Angelina Ballerina

By Katharine Holabird, Barbara Slade

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Angelina and Sammy learn the value of teamwork when they are paired up for the carnival boat decorating contest.

The Costume Ball Angelina Ballerina

By Helen Craig, Katharine Holabird, Barbara Slade

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Angelina in the Wings Angelina Ballerina

By Katharine Holabird, Barbara Slade

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A day at the fair

By Katharine Holabird, Barbara Slade

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Angelina isn't pleased when she has to take Henry to the fair with her.

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.