George Ancona Books

Handtalk Zoo

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Words and sign language depict children at the zoo discovering how to sign the names of various animals and how to tell time.

TURTLE WATCH

By George Ancona

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Text and photographs depict the endangered situation of sea turtles, current efforts to protect them, and the effect of these conservation methods on those people who sell or eat the turtles.

Barrio

By George Ancona

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Boys Dancing

By George Ancona

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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.