Roger C. Steene Books

Steene Angelfishes V1

By Roger C. Steene, STEENE

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Butterfly and Angelfishes of the World, Vol. 2

By Roger C. Steene

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Coral Reefs Natures Richest Realm

By Roger Steene

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Fishes of the Great Barrier Reef Coral Sea

By John E. Randall

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"Fishes of the Great Barrier Reef and Coral Sea is a long-overdue revision and expansion of what has become a classic book in marine literature. This lavishly illustrated volume provides exhaustive...

Reef Fishes of the Indian Ocean

By Roger C. Steene, Gerald R. Allen

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Coral seas

By Roger C. Steene

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Oceanic Wilderness

By Roger C. Steene, Roger Steene

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Coral reefs

By Roger C. Steene

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Reef Fish Identification - Tropical Pacific

By Roger C. Steene, Gerald Allen, Ned Deloach, Gerald R. Allen, Roger Steene, Paul Humann

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This field guide covers 2000 species of reef fish in an area extending from the far eastern Indian Ocean to the southern end of the Great Barrier Reef. To aid identification, fish families with sim...

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.