Paul Humann Books

Reef Fish Identification

By Ned DeLoach, Paul Humann

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Reef Creature Identification

By Ned DeLoach, Paul Humann

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Reef Coral Identification

By Ned DeLoach, Paul Humann

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The Reef Set

By Ned DeLoach, Paul Humann

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Reef Fish Identification - Tropical Pacific

By Ned DeLoach, Paul Humann, Gerald Allen, Roger Steene

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A comprehensive field guide to tropical Pacific fishes with photographs of fish in their natural habitats; "Includes Australia, Indonesia, Malaysia, Thailand, Vietnam, Philippines, Micronesia, Papu...

Reef Fish Identification Travel Edition

By Ned DeLoach Paul Humann

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Reef Coral Identification

By Ned DeLoach, Paul Humann

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Reef Fish Identification Florida Caribbean Bahamas 4th Edition

By Ned DeLoach, Paul Humann

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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.