Heidi Daniel Books

My clothes

By Heidi Daniel

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This book focuses on developing vocabulary for items of clothing.

Farm animals

By Heidi Daniel

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This book focuses on developing vocabulary the size differences between some farm animals.

Waste Not Borrow Not

By H. Elaine Roughton, Heidi Daniel, Takako Daniel

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Young Fit and Happy

By Heidi Daniel, Takako Daniel

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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.