Penelope Naylor Books

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By Penelope Naylor

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Black images

By Penelope Naylor

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Bionics

By Penelope Naylor, Alvin Silverstein, Virginia Silverstein

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The spider world

By Penelope Naylor

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Describes the physical appearance of various kinds of spiders, their habits, webs, and reproduction.

Bionics

By Penelope Naylor, Alvin Silverstein, Virginia Silverstein

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Describes the new science devoted to the study of systems in living things such as sound-location, memory and learning, heat detection, and biological clocks and the application of the findings to...

The woman's guide to business travel

By Penelope Naylor

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Sculpture: the shapes of belief.

By Penelope Naylor

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Describes the history, significance, and variety of sculpture from ancient times to the present.

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.