Marc Kornblatt Books

When a new classmate stops speaking because of the sudden death of his mother, fifth grader Sam tries to befriend him and risks destroying his relationship with his best friend Alex.

Izzy s Place

By Marc Kornblatt

Average: 0.00, 0 Ratings

Understanding Buddy

By Marc Kornblatt

Average: 0.00, 0 Ratings

When a new classmate stops speaking because of the sudden death of his mother, fifth grader Sam tries to befriend him and risks destroying his relationship with his best friend Alex.

Paul Revere the Boston Tea Party

By Marc Kornblatt

Average: 0.00, 0 Ratings

Time Machine 15

By Marc Kornblatt

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.