Paul Ernest Sutton Whalley Books

Babochki

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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.

De LA Oruga a LA Mariposa

By Paul Ernest Sutton Whalley, Paul Whalley

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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.

Hu die, e

By Paul Ernest Sutton Whalley

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Synonymic Catalogue of the Genera of Phycitinae Lepidoptera Pyralidae of the World

By Paul Ernest Sutton Whalley

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Dictionary of Butterflies and Moths in Colour

By Paul Ernest Sutton Whalley, Allan Watson

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Eyewitness butterfly moth

By Paul Ernest Sutton Whalley

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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.

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.