Romolo D Hipolito Books

El rio Amazonas

By Fernando Bort Misol, Angela Sangma Francis, Romolo D Hipolito

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Scientists in the Wild: Galapagos

By Dr. Helen Scales

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Join a crew of marine biologists as they sail around one of the world's most amazing habitats: the Galapagos Islands."An enchanting and absorbing read showcasing the islands’ scientific impor...

Amazon River

By Sangma Francis

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This exciting illustrated guide to the world's largest river and its surrounding rainforest is packed with compelling facts about South America's wildlife, people, geography and history.Take a jour...

Scientists in the Wild: Antarctica

By Helen Scales Ph.D

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Take a deep dive into the science surrounding the Antarctic, revealing how scientists work in remote, challenging places, armed with cutting edge research tools and technologies.The reader is invit...

Amazon River

By Sangma Francis

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It is the widest, largest river on planet Earth, surrounded by deep rainforest and home to an incredible array of wildlife. Welcome to the Amazon.Take a journey through South America along the wind...

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.