John Gray, John Gray Books

Children Are from Heaven: Positive Parenting Skills for Raising Cooperative, Confident, and Compassionate Children

By John Gray

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Men Are From Mars, Women Are From Venus And Children Are From Heaven: How to Have Strong, Confident Children

By John Gray

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Liberalism Concepts in the Social Sciences

By John Gray

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Mill On Liberty: A Defence

By John Gray, John Gray, John Gray

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Mill on Liberty was first published in 1983 and has become a classic of Mill commentary. The second edition reproduces the text of the first in full, and in paperback for the first time. To this, J...

Enlightenment s Wake

By John Gray

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John Gray argues that all the intellectual traditions of modernity are applications of the Enlightenment project, which has proved to be self-undermining. This effect was due to the project's exten...

Children Are from Heaven

By John Gray

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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.