PAUL HILLYARD Books

Snakes Photoguide

By Christopher Mattison

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Sharks Collins Gem

By Geoffrey W. Potts, Silja Swaby

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Spiders

By P. D. Hillyard

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The Book of the Spider: From Arachnophobia to the Love of Spiders

By PAUL HILLYARD, P. D. Hillyard

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Book of the Spider The

By Paul Hillyard, P. D. Hillyard

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Little Miss Muffet is not the only one who's ever been terrified by a spider. In fact, arachnophobia, or the fear of spiders, afflicts millions around the world. Some people are so tormented that t...

The book of the spider

By Paul Hillyard

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Harvestmen

By P. D. Hillyard

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I Wonder Why Spiders Spin Webs

By Amanda O Neill, Amanda O Neil

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Spiders and Scorpions Look Inside

By June E. Chatfield, Keith Clark Banister

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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.