James Humphrey Books

Fun with your microscope

Average: 0.00, 0 Ratings

Presents basic techniques for using a microscope to observe and investigate a variety of materials that might be found around the house. Also includes experiments and ideas for science fair projects.

The re-learning

By Humphrey James

Average: 0.00, 0 Ratings

After I'm dead, will my life begin?

By Humphrey James

Average: 0.00, 0 Ratings

The athlete

By Humphrey James

Average: 0.00, 0 Ratings

Ice

By Humphrey James

Average: 0.00, 0 Ratings

Bud

By James Humphrey

Average: 0.00, 0 Ratings

Siz

By Humphrey James

Average: 0.00, 0 Ratings

Lef

By Humphrey James

Average: 0.00, 0 Ratings

Paying the price

By Humphrey James

Average: 0.00, 0 Ratings

Mize & Kathy

By Humphrey James

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.