Shar Levine Books

Turn any time into party time with balloon creations that are more fun, and easier to make, than you'll find in any other book! Simple twist-and-turn techniques show how to loop and tie balloons to...

Marbles

By Shar Levine, Vicki Scudamore

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Awesome yo yo tricks

By Shar Levine

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Presents the history of the yo-yo and describes the basic techniques involve in simple, intermediate, and advanced tricks.

The optics book

By Shar Levine, Leslie Johnstone

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Explores the properties of light and color by means of experiments and analysis of various optical instruments including periscopes, and telescopes. What could be more important than light? It make...

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.