Charles E. Martin Books

Sam Saves the Day

By Charles E. Martin

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Summer Business

By Charles E. Martin

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NOAH S ARK

By Charles E. Martin

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Dunkel takes a walk

By Martin Charles E.

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When Dunkel, a dog, ventures into the forest, he uses his wits to escape from the dangerous animals that capture him.

Island winter

By Martin Charles E.

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Staying behind on an island after three summer people have left, Heather wonders what there will be to do.

Island winter

By Martin Charles E.

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Staying behind on an island after three summer people have left, Heather wonders what there will be to do.

Island rescue

By Martin Charles E.

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When Mae breaks her leg she is taken by boat off the island where she lives to the mainland hospital.

Island rescue

By Martin Charles E.

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When Mae breaks her leg she is taken by boat off the island where she lives to the mainland hospital.

For rent

By Martin Charles E.

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After renting their clubhouse to summer tourists, the children on an island find that being landlords is harder than they thought.

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.