Deborah Lock Books

Secrets of the cave

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"Step back nearly 20,000 years to the days of the early humans of Lascaux, France. Enter the caves and unravel the secrets discovered through the amazing artwork and artifacts found. Sense the dang...

Rocket science

By Deborah Lock

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Looks at the science behind rockets and rocketry, with experiments to try at home that demonstrate the principles involved.

Rocket science

By Deborah Lock

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Looks at the science behind rockets and rocketry, with experiments to try at home that demonstrate the principles involved.

DK Readers L3: Soccer School

By Jenny Cox

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Find out what it takes to become a starter with soccer rules, skills required for different team positions, and coaching tips.Level 3 is for children able to read on their own. The stories are exci...

Myths and legends

By Deborah Lock

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"Let your imaginations soar with these myths and legends from long ago and be whisked away on a magical journey around the world, retelling myths and legends from long ago. Meet the mischievous tri...

Myths and legends

By Deborah Lock

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10 Minutes a Day Math Kindergarten

By DK Publishing

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Astronaut

By Deborah Lock

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Spaceships and rockets

By Deborah Lock

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Introduces rockets and space vehicles to young readers, including rovers, probes, space stations, and space shuttles.

Spaceships and rockets

By Deborah Lock

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Introduces rockets and space vehicles to young readers, including rovers, probes, space stations, and space shuttles.

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.