Valerie Moolman Books

The Cat Who Couldn t See in the Dark

By Howard Padwee, Valerie Moolman, S. Howard Padwee

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Safari for Spies

By Valerie Moolman

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Fraulein Spy

By Valerie Moolman

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Safari for Spies

By Valerie Moolman

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The future world of transportation

By Valerie Moolman

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Traces the history and discusses the future of transportation with emphasis on the development of different types of vehicles and modes of transport. Based on the "World of Motion" exhibit at Walt...

The Terrible Ones

By Valerie Moolman

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Character Analysis Book

By Valerie Moolman

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The Character Analysis Handbook

By Valerie Moolman

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Flight How Things Work

By Valerie Moolman, Walter Boyne, Terry Gwynn Jones

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The Road to Kitty Hawk (The Epic of Flight)

By Valerie Moolman

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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.