Peter Collier Books

History of an American family from the 1870's to the 1960's. When one of their own is raped and murdered, it falls to the last of the Harts to strike out for justice, to reaffirm his love in dark v...

Workshop Progress and Materials

By Peter Collier, Brian Parkinson

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Ein Pfad durch den Dschungel des Wettbewerbsrecht

By Gunther Stock, Peter Collier

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The Fugitive

By Peter Collier, Marcel Proust

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The long-awaited penultimate volume—"the very summit of Proust's art" ( Slate )—in the acclaimed Penguin translation of Marcel Proust's greatest work, in time for the 150th anniversary of his birth...

The Roosevelts

By Peter Collier

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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.