Susan Jane Ryan Books

Esmeralda and the Enchanted Pond

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Science presented as fantasy for ages 7-10 Esmeralda and her dad love to visit their enchanted pond deep within a Florida forest. They see animals busily scurrying to and fro, trees and plants gro...

Esmeralda and the Enchanted Pond Activity Guide

By Susan Ryan

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Science presented as fantasy for ages 7&endash;10 Esmeralda and her dad love to visit their enchanted pond deep within a Florida forest. They see animals busily scurrying to and fro, trees and pla...

Florida A to Z

By Susan Jane Ryan

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From Alligator to Zephyrhills, you’ll find more information on Florida packed in this alphabet than you can imagine. Crammed into the 26 letters of the alphabet are almost 200 facts about Florida p...

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.