Kelly Calhoun Books

Velocidad Sin Vuelo

By Kelly Calhoun

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Nadadores Escamosos

By Kelly Calhoun

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Velocidad Sin Vuelo

By Kelly Calhoun

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Saltarines de Alta Velocidad

By Kelly Calhoun

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Poised and Pink

By Kelly Calhoun

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"Young children are natural problem solvers and always looking for answers, especially when it involves animals. Guess What: Flashy Feathers: Macaw provides young curious readers with striking visu...

Flashy feathers

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Spotted Singers

By Kelly Calhoun

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Sneaky Snouts

By Kelly Calhoun, Timothy Cap

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Majestic manes

By Kelly Calhoun

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"Young children are natural problem solvers and always looking for answers, especially when it involves animals. Guess What: Majestic Manes: Horse provides young curious readers with striking visua...

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.