Penny Dale Books

Dog Blue

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What Bertie wants more than anything in the whole wide world is a dog. A blue dog! Then, he meets the perfect real dog, but ...

Daisy Rabbit's tree house

By Penny Dale

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Whenever she spends the night at a friend's house, Daisy Rabbit feels sad missing her own home, so the roomy tree house in her yard provides the perfect solution.

Wake up, Mr. B.!

By Penny Dale

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Waking up far too early for her sleepy family, Rosie finds the family dog Mr. B. is a willing companion for her crack-of-dawn imaginary adventures.

All about Alice

By Penny Dale

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Alice has a busy day playing while her big sister is in school.

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.

Penny Dale Books

Wake Up Mr. B

Share a story Ten in the bed

Dog Blue

Ten in the Bed

Ten Out of Bed

Daisy Rabbit's tree house

Ten Out of Bed

All About Alice

Wake up, Mr. B.!

All about Alice

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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