Robert M. Fenner Books

A Fishwatcher'S Guide To The Saltwater Aquarium Fishes Of The World

By Robert M. Fenner

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Aquatic Gardens Ponds, Streams, Waterfalls & Fountains: Volume 2. Maintenance, Maintenance, Livestock, & Example Systems

By Robert M. Fenner

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The Conscientious Marine Aquarist

By Robert M. Fenner

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The Conscientious Marine Aquarist: A Commonsense Handbook For Successful Saltwater Hobbyists

By Robert M. Fenner, With A Foreword By Christopher Turk, Principal Photographers, Scott W. Michael, Foster Bam, And Paul Humann

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Drawing upon a lifetime of aquatic experience, marine biologist Bob Fenner demystifies the process of planning, setting up, stocking, and managing a beautiful, thriving slice of the tropical ocean....

The Conscientious Marine Aquarist: A Commonsense Handbook For Successful Saltwater Hobbyists

By Robert M. Fenner, With A Foreword By Christopher Turk, Principal Photographers, Scott W. Michael, Foster Bam, And Paul Humann

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The Conscientious Marine Aquarist (2nd Edition)

By Robert M. Fenner, Robert M. Fenner With A Foreword By Christopher Turk, Principal Photographers, Matthew L. Wittenrich ...

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A bestseller since it first published in 1998, The Conscientious Marine Aquarist is one of the best-respected, time-tested, hands-on marine aquarium books ever published.Now completely updated from...

The Conscientious Marine Aquarist

By Robert M. Fenner

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Betta Success

By Robert M. Fenner, Robert Fenner

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Marine Aquarium Algae Control: The Ins And Outputs Of Algal Introduction, Identification And Management In Captive Seawater Systems

By Robert, Fenner, Robert M. Fenner, Robert Fenner

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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.