Michael Uhl Books

Frommer's Dollarwise Brazil 1989-1990

By Michael Uhl

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Frmr Chicago 89-

By George McDonald, Michael Uhl

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Frommer's Rio De Janeiro, 1989-90

By Michael Uhl

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Exploring Maine on country roads and byways

By Michael Uhl

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Frommer s Comprehensive Travel Guide

By Michael Uhl

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"In this vividly honest memoir, Uhl details his experiences in Vietnam as first lieutenant of a counterintelligence team attached to the 11th Infantry. He relives the shocking events witnessed duri...

GI guinea pigs

By Michael Uhl

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G. I. Guinea Pigs

By Michael Uhl

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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.