Riana Duncan Books

If you were a--

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Examines, in brief text and illustrations, some of the advantages and disadvantages of being a bird, a dog, and a lion and concludes that it is best to be oneself.

When Emily woke up angry

By Riana Duncan

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Waking up in a bad mood, Emily imitates the angry movements of several animals until she meets a frog who jumps for joy.

A tale of ten town mice

By Riana Dungan

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A family of town mice moves to the forest, where at first things don't go exactly as they had expected.

A nutcracker in a tree

By Riana Duncan

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A collection of riddles whose answers are the names of animals.

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.