Deborah Lock Books

Fishy tales

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Introduces various creatures that live in or near a coral reef, including sea horses, starfish, and dolphins.

Astronaut

By Kate Hayden, Deborah Lock

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Feathers Flippers and Feet DK Reader Level 2

By Deborah Lock

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Feather Flippers and Feet DK READERS

By DK Publishing

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Feathers, flippers, and feet

By DK Publishing, Deborah Lock

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Takes a look at different ways animals move and some of their unusual activities, such as using wings for parading, flippers for swirling, and feet for floating on water.

A Trip to the Library

By DK Publishing

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A Trip to the Library

By DK Publishing, Deborah Lock

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Lauren and her mother visit the library to find out what there is to do in their new town, and are introduced to the building and its services by their new neighbor, Dan.

A Trip to the Doctor DK READERS

By DK Publishing

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A trip to the doctor

By DK Publishing, Deborah Lock

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Follows a young child during a doctor visit.

Pirate Eye Wonder

By DK Publishing, Deborah Lock

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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.