Deborah Lock Books

Wild baby animals

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Skip, splash, sniff and cuddle with the cutest animals in the rough with Wild Baby Animals. Venture out into the world of monkeys, squirrels, bears, foxes and more and as they play, learn, and expl...

Wild baby animals

By Deborah Lock

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Big trucks

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Learn about trucks of all shapes and sizes --

Big trucks

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Learn about trucks of all shapes and sizes --

Train travel

By Deborah Lock

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Takes a look at trains and train travel in the following places: India, Europe, Peru, Russia, Australia, South Africa, United States, Canada, Japan, and China.

Train travel

By Deborah Lock

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Takes a look at trains and train travel in the following places: India, Europe, Peru, Russia, Australia, South Africa, United States, Canada, Japan, and China.

Turn to Learn Multiplication

By DK Publishing

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Pirate attack

By Deborah Lock

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Captain Blackbeard and his crew of pirates set out on a sea adventure to plunder and win treasure.

10 Minutes a Day Math Grade 1

By DK Publishing

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African adventure

By Deborah Lock

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A traveler tells the story of his safari in Kenya, the people he met, the stories he heard, and the wildlife he experienced.

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.