Anne Opotowsky Books

His Dream of the Skyland

By Wolfgang Bylsma, Aya Morton, Anne Opotowsky

Average: 0.00, 0 Ratings

The walled city trilogy

By Anne Opotowsky

Average: 0.00, 0 Ratings

"In 1925, Hong Kong struggles with growing pains. Two destructive Opium Wars have transformed what once was a sleepy tropical inlet into a bustling international crossroads, full of risks and wonde...

Walled City Trilogy Book Two

By Angie Hoffmeister, Anne Opotowsky

Average: 0.00, 0 Ratings

Listening to the Hundredfold Notes of the Avowed Nightingales

By Amber Ma, Anne Opotowsky

Average: 0.00, 0 Ratings

Nocturne

By Wolfgang Bylsma, Angie Hoffmeister, Anne Opotowsky

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.