Mark Dubowski Books

Can animals talk?

By Mark Dubowski

Average: 0.00, 0 Ratings

Discovery in the Cave

By Mark Dubowski

Average: 0.00, 0 Ratings

This amazing true adventure story about the discovery of the Lascaux Cave will have young readers feeling that they've discovered something pretty special, too! In 1940, four teenage boys and a dog...

Discovery in the Cave Step into Reading

By Mark Dubowski

Average: 0.00, 0 Ratings

Cave Boy

By Cathy East Dubowski, Mark Dubowski

Average: 0.00, 0 Ratings

A cave boy gives his grumpy chief something previously unseen for his birthday--and makes him smile.

Rugrats

By Cathy East Dubowski, Mark Dubowski

Average: 0.00, 0 Ratings

Crane crossing

By Mark Dubowski

Average: 0.00, 0 Ratings

Join the Thornberry family as they help lead a flock of endangered, pen-raised whooping cranes north for the spring. Here's another exciting adventure with The Wild Thornberrys to remind us that ho...

Cowboy Roy

By Cathy East Dubowski, Mark Dubowski

Average: 0.00, 0 Ratings

Roy, a young cowboy, tries hard to learn how to ride his bike without the training wheels.

The Adventures of Rocky and Bullwinkle

By Cathy East Dubowski, Kenneth Lonergan, John Escott, Jay Ward, Mark Dubowski

Average: 0.00, 0 Ratings

Titanic The Disaster That Shocked the World

By Mark Dubowski

Average: 0.00, 0 Ratings

Big Sweep Rocket Power Ready To Read

By Cathy East Dubowski, Mark Dubowski

Average: 0.00, 0 Ratings

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.