Carolyn Otto Books

Ducks ducks ducks

By Carolyn Otto

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Four young ducks from the country have an exciting time when they visit their relatives in the city.

What Color Is Camouflage Let s Read and Find Out Science

By Carolyn Otto

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Spiders Scholastic Science Readers Level 1

By Carolyn Otto

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What Color Is Camouflage Let s Read And Find Out Science

By Carolyn Otto

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Wolves Scholastic Science Readers

By Carolyn Otto, C. Otto

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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.