John A. Dawes Books

Tropical Aquarium Fish : A Step-By-Step Guide To Setting Up And Maintaining A Freshwater Or Marine Aquarium

Average: 0.00, 0 Ratings

95 pages : 29 cm Practical advice on maintaining a newly established fresh or marine water aquarium. Information on feeding, identifying and treating disease, as well as a useful checklist of maint...

A practical guide to keeping freshwater aquarium fishes.

By John A. Dawes

Average: 0.00, 0 Ratings

Livebearing Fishes

By John Dawes

Average: 0.00, 0 Ratings

Tropical Fish Concise Encyclopaedias

By John Dawes

Average: 0.00, 0 Ratings

Complete Encyclopaedia of Tropical Fish

By DAWES

Average: 0.00, 0 Ratings

The freshwater aquarium

By John A. Dawes

Average: 0.00, 0 Ratings

The fishkeeping year book

Average: 0.00, 0 Ratings

Concise Encyclopedia of Tropical Fish

By N A

Average: 0.00, 0 Ratings

The Dragon Fish

Average: 0.00, 0 Ratings

Tropical Aquarium Fish

By John Dawes

Average: 0.00, 0 Ratings

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.