Mary Jane Wilkins Books

Air, light & water

By Mary Jane Wilkins

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Questions and answers introduce air, light, and water and the scientific principles involving them.

Everyday things & how they work

By Mary Jane Wilkins

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Ordinary appliances and gadgets get a new look, with a view to understanding their origin, purpose, and function. Readers learn how to think up ideas for new and special tools and appliances.

Air, light & water

By Mary Jane Wilkins

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Questions and answers introduce air, light, and water and the scientific principles involving them.

Air Light Water

By Mary Jane Wilkins

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Air Light and Water Tell Me About

By Mary Jane Wilkins

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Air Light and Water Tell Me About

By Mary Jane Wilkins

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Our Solar System

By Mary Jane Wilkins

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Inner Planets

By Mary Jane Wilkins

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Earth

By Mary Jane Wilkins

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Earth

By Mary Jane Wilkins

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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.