David Creighton Pester Books

Written by a child psychologist, this adorable touch-and-feel book introduces children to the concept of happiness and offers tips on how to make the most of this positive feeling. Recog...

Scared Puppy: Touch and Feelings

By Dr. Naira Wilson Illustrated By David Creighton Pester

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Written by a child psychologist, this adorable touch-and-feel book introduces children to the concept of being afraid and offers tips on how to conquer the things that can make them feel fearful.&n...

Angry Bear: Touch and Feelings

By Dr. Naira Wilson Illustrated By David Creighton Pester

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Written by a child psychologist, this adorable touch-and-feel book introduces children to the concept of anger and offers tips on how to overcome this feeling whenever it arises.Recognizing and dea...

Calmer Llama: Touch and Feelings

By Dr. Naira Wilson Illustrated By David Creighton Pester

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Written by a child psychologist, this adorable touch-and-feel book introduces children to the concept of relaxing and feeling calm and offers tips on how to achieve this feeling.Recognizing and dea...

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.