Juanita Londono Gaviria Books

The World of Plants

By Juanita Londono Gaviria, Dr Michael Leach, Dr Meriel Lland

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Real Talk Tarot, 78 Card Deck and Guide Book: Mystical Answers for a Chaotic World

By Juanita Londono Gaviria

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The tarot deck for our day, Real Talk Tarot—complete with a guidebook and keepsake box—speaks to our present-day icons and struggles with updated illustrations featuring relatable archetypes and sc...

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.