Bernard Onken Books

Zagatsurvey 2001 Chicago Restaurants

By Zagat Survey Staff., Bernard Onken, Zagat Survey (Firm), Phil Vettel

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204 pages ; 22 cm Includes Milwaukee and nearby Michigan and Indiana Includes indexes

Zagat Survey 2002 Chicago

By Bernard, Bernard Onken, Catherine Bigwood, Onken

Average: 0.00, 0 Ratings

Includes Indiana, Michigan, Wisconsin, and Milwaukee. Also available in the Chicago Book 'n Map Pack.

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.