Helen Scales Books

The underwater museum

By Carlo McCormick, Helen Scales

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Spirals in time

By Helen Scales

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Offers an examination of mollusks, their shells, and their role in human culture, as well as their susceptibility to the effects of humans on the environment.

Spirals in time

By Helen Scales

Average: 0.00, 0 Ratings

Offers an examination of mollusks, their shells, and their role in human culture, as well as their susceptibility to the effects of humans on the environment.

Spirals in time

By Helen Scales

Average: 0.00, 0 Ratings

Offers an examination of mollusks, their shells, and their role in human culture, as well as their susceptibility to the effects of humans on the environment.

A fascinating journey with the sea creature that has captured human imagination for thousands of years Poseidon's Steed trails the seahorse through secluded waters across the globe in a kaleidoscop...

La Gran Barrera de Coral

By Fernando Bort Misol, Helen Scales, Lisk Feng

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Shell Spotter s Guide

By Helen Scales

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Octopuses

By Helen Scales

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What the Wild Sea Can Be

By Helen Scales

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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.