Sandra Friend Books

Five Star Trails Gainesville Ocala

By Sandra Friend, John Keatley

Average: 0.00, 0 Ratings

Sinkholes

By Sandra Friend

Average: 0.00, 0 Ratings

Everything young readers 12 and up ever wanted to know about these unique formations. A sinkhole is a hole in the ground, but a very special one, appearing anywhere where rock dissolves allowing t...

The Florida Trail

By Sandra Friend

Average: 0.00, 0 Ratings

Florida

By Sandra Friend

Average: 0.00, 0 Ratings

Introduces the diverse places, animals, plants, and people of the Sunshine State, from the centuries-old homes and forts of Pensacola to the tiny Key deer that chew on mangroves on Big Pine Key.

Florida

By Sandra Friend

Average: 0.00, 0 Ratings

Introduces the diverse places, animals, plants, and people of the Sunshine State, from the centuries-old homes and forts of Pensacola to the tiny Key deer that chew on mangroves on Big Pine Key.

Earth s Wild Winds Exploring Planet Earth

By Sandra Friend

Average: 0.00, 0 Ratings

Florida Trail Hikes

By Sandra Friend, John Keatley

Average: 0.00, 0 Ratings

Exploring Florida s botanical wonders

By Sandra Friend

Average: 0.00, 0 Ratings

50 Hikes in South Florida

By Sandra Friend

Average: 0.00, 0 Ratings

Orlando Central North Florida An Explorer s Guide

By Kathy Wolf, Sandra Friend

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.