Grace Roces Books

Double & Multiple Stars, And How To Observe Them' Is Written Specially For Practical Amateur Astronomers Who Not Only Want To Observe, But Want To Know And Understand The Details Of Exactly What Th...

CultureShock! Philippines: A Survival Guide To Customs And Etiquette

By James Mullaney, Grace Roces, Alfredo Roces

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Cultureshock! Philippines Is A Survival Guide For Anyone Living, Working Or Wanting To Discover Life In The Philippines. Settling Into A Foreign Land Is Never Easy, But With This Book You Will Lear...

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.