Christopher Maynard Books

Great men of science

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Presents a history of science through the lives and work of scientists from the days of ancient Sumeria and Egypt to the present day.

The history of aircraft

By Christopher Maynard

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A brief history of flying machines from the first rudimentary craft built in the nineteenth century to the sleek, sophisticated jets that ply the airspace today.

Weapons and warfare

By Christopher Maynard

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Briefly traces the history of 3,500 years of fighting among human beings.

The aces

By Christopher Maynard, David Jefferis

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Introduces the ace pilots of World War I, their military aircraft, aerial tactics and stunts, and profiles such prominent aviators as the Red Baron and Eddie Rickenbacker.

Planet Earth

By Christopher Maynard

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Scholastic Funfact Book of Ghosts

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Why Does Lightning Strike

By Christopher Maynard

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Why do volcanoes erupt

By Christopher Maynard

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Why are there waves

By Christopher Maynard

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Explores the subject of water through questions and answers, such as "Why do we need water?" and "Why does water turn to ice?"

Questions and Answers about Explorers

By Christopher Maynard

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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.