Harry Parker Books

"A ... first novel--of patriotism, heroism, and profound humanism--that will ... take its place on the shelf of classics about what it truly means to be at war. Captain Tom Barnes, leading British...

Ingenieria Simplificada para Arquitectos y Constructores Simplified Engineering for Architects and Builders

By Harry Parker, James Ambrose

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Diseno simplificado de concreto reforzado Simplified design of concretes structures

By Harry Parker

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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.