Laurence Santrey Books

George Washington

By Laurence Santrey

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Discovering the stars

By Laurence Santrey

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Introduces the characteristics of stars and the constellations to which they belong.

Discovering The Stars

By Laurence Santrey

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What makes the wind?

By Laurence Santrey

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Describes different kinds of winds and the effects they can have on Earth.

George Washington, young leader

By Laurence Santrey

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Traces the life of the first president of the United States from his boyhood at Mount Vernon to his adult years.

Young Ben Franklin

By Laurence Santrey

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Focuses on events from Benjamin Franklin's youth in Boston which proved influential in his later life.

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.