Mark Dubowski Books

Salem s Tails 4

By Mark Dubowski

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Rugrats

By Cathy East Dubowski, Mark Dubowski, Jose Maria Cardona

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Ice Mummy

By Cathy East Dubowski, Cathy East Dubowski Mark Dubowski, Mark Dubowski

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Reading paragraphsIn 1991, two tourists hiking in the Alps saw something very odd sticking out of the snow. At first it looked like a doll’s head. But it wasn’t. It was a man, frozen in...

Ice Mummy Step Into Reading Step 4

By Cathy East Dubowski, Mark Dubowski

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Crane Crossing

By Mark Dubowski

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Eliza's secret

By Mark Dubowski

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When Eliza searches for a missing cheetah cub and then tries to help a herd of elephants, she risks losing her ability to talk to the animals.

Titanic

By Mark Dubowski

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Titanic

By Mark Dubowski

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Titanic

By Mark Dubowski

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Read the incredible true story of the "unsinkable" ship that sank. - back cover.

Titanic

By Mark Dubowski

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Read the incredible true story of the "unsinkable" ship that sank. - back cover.

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.