Greg Paprocki Books

Math terpieces

By Greg Paprocki, Greg Tang

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Curious George s big book of curiosity

By Greg Paprocki

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Readers can follow Curious George from morning to night, city to country, home to town, and learn new words and concepts along the way, including shapes, opposites, emotions, and jobs.

Little Leonardo s Fascinating World of Science

By Bob Cooper

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F Is for Fairy Tale

By Greg Paprocki

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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.