Leslie Dunkling Books

A teacher organizes her neighbors to protest the construction of a highway that will destroy their street. A reader for students of English as a foreign language.

The Mystery of the Loch Ness Monster

By Leslie Dunkling

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A structurally and lexically controlled reader about the Loch Ness monster. For beginning level students of English as a foreign language.

Mike's best summer

By Leslie Dunkling

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Scottish christian names

By Leslie Dunkling

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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.