Gregory Mcdonald Books

Fletch is assigned to cover the story of Donald Habeck, a wealthy criminal lawyer who wants to donate $5 million to the local art museum, but Habeck turns up dead in the parking lot of the NewsTrib...

Fletch, Too

By Gregory Mcdonald

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Fletch and the Widow Bradley

By Gregory McDonald

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Fletch s Moxie

By Gregory Mcdonald

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Beautiful movie star Moxie is a suspect in a sensational murder, and Fletch investigates.

Fletch Chronicle Fletch Carioc

By Gregory Mcdonald

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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.