David Wojtowycz Books

Allegri coniglietti all asilo. Libro puzzle A pagine aperte

By N A

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Cuidado Dany

By David Wojtowycz

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Elephant Joe, Brave Knight!

By David Wojtowycz

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Elephant Joe, brave knight, will! (With his trusty sidekick, Zebra Pete, of course.) But there's an unexpected twist in this tale. Is the damsel in distress who she seems to be? And what happens wh...

Elephant Joe, Brave Firefighter! (Step into Reading Comic Reader)

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This Step 2 Step into Reading Comic Reader is full of dragons, firefighting, and birthday cake! In this action-packed early reader, Elephant Joe stars as a brave firefighter with his trusty sidekic...

Rumble in the Jungle Audio CD

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What Does Monkey Want

By David Wojtowycz

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What Does Doggy Want

By David Wojtowycz

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Monkey Business

By David Wojtowycz, Smriti Prasadam Halls

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Rumble in the Jungle

By David Wojtowycz, Giles Andreae

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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.