Mark Donnelly Books

Chicken Soup for the Golfer s Soul The 2nd Round

By Mark Victor Hansen, Mark Donnelly, Jeff Aubrey, Jack Canfield, Chrissy Donnelly

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Search heaven and hell

By Mark Donnelly

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Chicken soup for the romantic soul

By Jack Canfield

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Celebrates the power and joy of love with stories of finding true love, marriage, renewing an old relationship, and memories of special romantic moments.

How Did They Manage

By Mark Donnelly, Daniel Diehl

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Huhnersuppe fur die Seele. Fur Partner.

By Mark Victor Hansen, Mark Donnelly, Jack Canfield, Barbara De Angelis, Chrissy Donnelly

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Por Que Fueron Lideres Why Were they Leaders Spanish Edition

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Doing History

By Mark Donnelly, Claire Norton

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Britain in the Second World War

By Mark Donnelly

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Doing history

By Mark Donnelly

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"History as an academic discipline has dramatically changed over the last few decades and has become much more exciting and varied as a result of ideas from other disciplines, the influence of post...

Doing history

By Mark Donnelly

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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.