Chris Economos Books

Haddie s caps

By Chris Economos

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A girl named Haddie has lots of hats.

The Kite That Flew Away

By Joanna Austin

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A pot of stone soup

By Robert R. O Brien

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The junkpile robot

By Chris Economos

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Survival At the Bottom of the World

By N A

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The polar bear

By Chris Economos

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Describes the physical characteristics, habitat, and behavior of polar bears, often called the rulers of the land of the midnight sun.

Let s Take the Bus

By Chris Economos

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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.