Olivier Dunrea Books

Deep Down Underground

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Animals present the numbers from one to ten, as earthworms, toads, ants, and others march and burrow, scurry and scooch deep down underground.

Eppie M. Says

By Olivier Dunrea

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Life on the farm is never dull for Ben, who faithfully follows his big sister's advice in such things as swallowing a live minnow so he can swim like a fish or washing his face in raindrops so he w...

It's Snowing!

By Olivier Dunrea

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Fergus and Bridey

By Olivier Dunrea

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Fergus and Bridey

By Olivier Dunrea

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Ruby Rufus

By Olivier Dunrea

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The painter who loved chickens

By Olivier Dunrea

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An artist, who loves to paint chickens, finally finds someone that appreciates his pictures.

The tale of Hilda Louise

By Olivier Dunrea

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Hilda Louise's longing to be part of a family sweeps her up and over the walls of the orphanage until she floats high above magnificent Paris of the early 1900s.

The trow-wife's treasure

By Olivier Dunrea

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On the mythical island Nord Eyris, a kind-hearted farmer goes to great lengths to help a mother troll find her missing "bairn."

Bear Noel

By Olivier Dunrea

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The animals of the North Woods react with excitement as they hear Bear Noel coming to bring them Christmas.

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.