Gregory Skomal Books

The shark handbook

Average: 0.00, 0 Ratings

Discusses the sharks of the world, what they are, how they evolved, and how they thrive in their marine environment. Describes shark anatomy and adaptation, shark conservation, shark attacks, and o...

Chasing Shadows

By Greg Skomal

Average: 0.00, 0 Ratings

Chasing Shadows

By Greg Skomal

Average: 0.00, 0 Ratings

Saltwater Aquariums For Dummies

By Gregory Skomal

Average: 0.00, 0 Ratings

Romeo and Juliet

By William Shakespeare

Average: 0.00, 0 Ratings

"For never was a story of more woe Than this of Juliet and her Romeo." Romeo and Juliet is the tragic story of "star-crossed lovers" from feuding families. Complete with a masquerade ball, a duel,...

Saltwater Aquarium

By Gregory PhD Skomal

Average: 0.00, 0 Ratings

Goldfish

By Gregory Skomal

Average: 0.00, 0 Ratings

Freshwater Aquarium

By Gregory Skomal

Average: 0.00, 0 Ratings

Goldfish

By Gregory Skomal, Carlo DeVito

Average: 0.00, 0 Ratings

Setting up a Freshwater Aquarium

By Gregory Skomal

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.