Charles Lehman Books

Italic Handwriting and Calligraphy for the Beginner

By Charles Lehman

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The calligraphy of Lloyd J. Reynolds

By William Gunderson

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Signs of Christ

By Charles L. Lehman

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Nick and Nack Blow Bubbles

By Brandon Budzi Illustrated By Charles Lehman

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Stories + Puzzles = Reading Success! Highlights Puzzle Readers offer an innovative approach to learning that integrates puzzles and stories to develop motivated, confident readers.Nick and his robo...

First Pitch

By David Sabino, Charles Lehman

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Jump Shot

By David Sabino, Charles Lehman

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Breakaway

By Setor Fiadzigbey, David Sabino, Charles Lehman

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Breakaway

By Setor Fiadzigbey, David Sabino, Charles Lehman

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Jump Shot

By David Sabino, Charles Lehman

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Tessie Tames Her Tongue

By Charles Lehman, Melissa Martin

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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.