Mark Pettigrew Books

Planet Earth

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Traces the history of the Earth, how movements in its surface produce mountains, earthquakes, and volcanoes, and what causes the seasons, tides, and patterns of night and day.

Weather

By Mark Pettigrew

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Student It Skills

By David Elliott, Mark Pettigrew

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Radiation Simply Science

By Mark Pettigrew

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Sound and Music Simply Science

By Mark Pettigrew

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Planet Earth Simply Science

By Mark Pettigrew

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Radiation Science World

By Mark Pettigrew, Kathryn Whyman

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Everyday Chemicals Science World

By Mark Pettigrew, Kathryn Whyman

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Structures and Materials Science World

By Mark Pettigrew, Kathryn Whyman

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Hw Radiation How Why Wonder Books

By Price Stern Sloan Publishing

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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.