Robert Deege Books

The gravity-packed world of physics

By Igor Torgeson, Stacy Ison, Robert Deege, Lara Hopewell

Average: 0.00, 0 Ratings

Provides a humorous introduction to physics. Covers topics such as scientific notation, potential energy, momentum, acceleration, Hooke's Law, Newton's Laws, and power. Includes quizzes and helpful...

The Pumped-up world of pre-algebra

By Daryl Swanson, Robert Deege

Average: 0.00, 0 Ratings

Teaches the concepts of pre-algebra, including exponents, factoring, absolute value, square roots, and inequalities.

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.