Barbara Repa Books

Devil'S Advocates

By Andrew Roth, Barbara Repa, Roth, Andrew, Gordon Grabe, Andrew Roth & Jonathan Roth; Edited By Barbara Repa; Illustrated By Gordon Grabe, Andrew Roth & Jonathan Roth

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An anthology of quotations and condemnations, facts and folklore that traces the unsettling origins of the lawyer, the twisted history of the legal profession and the inexorable spread of attorneys...

Saralee'S Story

By Barbara Repa, Thomas Reynolds

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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.