David Lubar Books

Sophomores and Other Oxymorons

By David Lubar

Average: 0.00, 0 Ratings

Its Not Bug Its Featr Cntrpk 13Includ 1Free

By David Lubar

Average: 0.00, 0 Ratings

Wizards of the game

By David Lubar

Average: 0.00, 0 Ratings

Eighth grader Mercer, whose passion is the fantasy role-playing game Wizards of the Warrior World, hopes to use a fund raiser to bring a gaming convention to his middle school, but instead he attra...

Punished

By David Lubar

Average: 0.00, 0 Ratings

While playing tag in the library, Logan literally runs into Professor Wordsworth, who gives Logan a face full of magic dust that makes him speak in puns. To lift the curse, Logan has three days to...

Dunk

By David Lubar

Average: 0.00, 0 Ratings

Stranger things

By David Lubar

Average: 0.00, 0 Ratings

When ordinary third-grader Ed finds a coin with the words "strange" and "stranger" on opposite sides, weird things start happening around him--but when his friends start blaming him for all the wei...

Stranger things

By David Lubar

Average: 0.00, 0 Ratings

Meltdown Madness

Average: 0.00, 0 Ratings

Meltdown Madness

Average: 0.00, 0 Ratings

Dinosaur Disaster

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.