Konrad Ejbich Books

A Pocket Guide to Ontario Wines Wineries Vineyards Vines Second Edition

By Konrad Ejbich

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A Pocket Guide to Ontario Wines, Wineries, Vineyards, & Vines

By Konrad Ejbich

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The must-have publication for anyone who buys Ontario wines.Interest in Ontario wines has exploded. No one apologizes any more for serving them; wine snobs compete instead to find the next great pr...

The Wine Manual

By Jacques Marie, Konrad Ejbich, Shari Darling

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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.