Ernie Contreras Books

The Pagemaster Audio Adventure

By David Kirschner, David Casci, Ernie Contreras

Average: 0.00, 0 Ratings

The pagemaster

By David Kirschner

Average: 0.00, 0 Ratings

Ten-year-old Richard Tyler discovers a world of adventure at his local library when the books start to come alive.

The Pagemaster

By Ernie Contreras, David Kirshner

Average: 0.00, 0 Ratings

The Pagemaster

By David Kirschner

Average: 0.00, 0 Ratings

Ten-year-old Richard's dislike for books changes when he meets the Pagemaster and is plunged into a world of storybook adventure where the greatest stories become relity and he explores an eerie ha...

The pagemaster

By Parker Smith

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.