James Gladstone Books

When planet Earth was new

By James Gladstone

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The story of planet Earth s evolution: 4.5 billion years in 40 pages.

Earthrise

By James Gladstone

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"Earthrise tells the story of the first time the planet Earth was photographed in color from space. The photo, later called Earthrise, was taken in 1968 by the astronauts on Apollo 8, the first US...

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.