David Martin Undifferentiated Books

Brand New Readers — the right books at the right time!Based on what experts know about how children learn to read, Brand New Readers are short, funny stories with words and pictures that help...

Monkey Business

By David Martin Illustrated By Scott Nash

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Brand New Readers — the right books at the right time!Based on what experts know about how children learn to read, Brand New Readers are short, funny stories with words and pictures that...

Monkey Where Are You Brand New Readers

By David Martin Undifferentiated

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Monkey the Mommy Brand New Readers Series

By David Martin Undifferentiated

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Monkey Flies Away Brand New Readers

By David Martin Undifferentiated

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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.