Mel Baughman Books

Birder s Journal

By Mel M. Baughman

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National Geographic Reference Atlas to the Birds of North America

By Mel Baughman

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National Geographic Field Guide to Birds: Michigan

By Mel Baughman

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This expert bird field guide offers tips for beginners and practiced birders alike for the ultimate birding adventure.   Sized for a backpack or pocket, this 272-page volume covers 168 sp...

National Geographic Field Guide to Birds: New Jersey

By Mel Baughman

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National Geographic Field Guide to Birds: New Jersey provides affordable, portable, reliable, region-specific information—perfect for the novice or experienced birder. The introduction by exp...

National Geographic Field Guides to Birds: Florida

By Mel Baughman

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These handy, informative pocket-sized guides are an essential resource for the novice or experienced birder. The guides in this regional series focus on America's most popular birding hotspots.Feat...

National Geographic field guide to birds.

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The Birder s Journal

By Mel M. Baughman

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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.