James Duffy Books

MD Anderson Manual of Psychosocial Oncology

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"During the past two decades, very significant advances have been made in our understanding and treatment of the psychosocial consequences of cancer. The standard of care in clinical oncology now i...

Missing.

By Duffy James

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Missing

By Duffy James

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Neurological Evaluation of the Psychiatric Patient

By James Duffy, Barry Fogel

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Be Kind to Animals

By James Duffy

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Be kind to animals!

By Duffy James

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Noah and Annie are unconcerned about the fate of the grasshoppers they catch and feed to the ducks in their pond, until two bigger boys threaten the ducks' safety and heighten their awareness of an...

Be Kind to Animals Big Little Golden Books

By James Duffy, Evan Lattimer

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The revolt of the teddy bears

By Duffy James

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Teddy bears are running amok in Paris and Chief Inspector May Gray, a poodle, is determined to find out why.

Missing

By James Duffy

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The Doll Hospital

By James Duffy

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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.