O'Brien, John Books

Sir Small and the Dragonfly

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Illus. in full color. "The tallest person is no taller than a toothpick in the town of Pee Wee, and when Lady Teena is abducted by a dragonfly, a tiny knight, riding his trusty ant, rescues the min...

Sir Small and the dragonfly

By Jane O Connor

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When a dragonfly swoops over the town of Pee Wee and carries Lady Teena away, brave Sir Small rides off on his trusty ant vowing to rescue her.

At Home in the Heart of the Appalachia

By John O Brien

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Sir Small and the Dragonfly Step Into Reading Books

By Jane O Connor

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ARES Virus

By John O Brien

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Leaving Las Vegas.

By John O Brien

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Cerebrovascular Disease and Dementia

By David Ames, O Brien John Jr., Edmond Chiu, Marshal F. Folstein

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Dementia

By David Ames, Alistair S. Burns, John O Brien

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Who Is Jane Goodall?

By Roberta Edwards

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A life in the wild! Jane Goodall, born in London, England, always loved animals and wanted to study them in their natural habitats. So at age twenty-six, off she went to Africa! Goodall's up-close...

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.