Paul Whalley Books

Animal Habitats

By Paul Whalley, Mary Whalley, Oxford Scientific Films

Average: 0.00, 0 Ratings

Eyewitness

By Paul Ernest Sutton Whalley, Paul Whalley

Average: 0.00, 0 Ratings

Photographs and text explore the behavior and life cycles of butterflies and moths, examining mating rituals, camouflage, habitat, growth from pupa to larva to adult, and other aspects.

The Mitchell Beazley Pocket Guide to Butterflies Mitchell Beazley Pocket Guides

By Paul Whalley

Average: 0.00, 0 Ratings

De LA Oruga a LA Mariposa

By Paul Ernest Sutton Whalley, Paul Whalley

Average: 0.00, 0 Ratings

Photographs and text explore the behavior and life cycles of butterflies and moths, examining mating rituals, camouflage, habitat, growth from pupa to larva to adult, and other aspects.

Sehen. Staunen. Wissen. Schmetterlinge.

By Paul Whalley

Average: 0.00, 0 Ratings

Butterfly and Moth (Eyewitness Books)

By Paul Whalley

Average: 0.00, 0 Ratings

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.