Sylvia Wrigley Books

Bards and Sages Quarterly July 2015

By Gerry Huntman, Sean Turner McLeod, Tyler Bourassa, Steve Coate, Sylvia Wrigley, Connor Wrigley, Bryan Hulse, Stephen McQuiggan, Malcolm Laughton, Julia Martins

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Why Planes Crash

By Sylvia Wrigley

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Why Planes Crash Case Files : 2003: Why Planes Crash, #3

By Sylvia Wrigley

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It shouldn't be possible to lose a Boeing 727. Why Planes Crash Case Files: 2003 follows eleven aircraft disasters from 2003, detailing how the accidents happened and how they might have been avoid...

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.