Philip Kerr Books

Inside Out: Intermediate: Student's Book

By Philip Kerr, Vaughan Jones, Jon Hird, Sue Kay

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Inside Out Upp-Inter Class Cass: Class Cassettes

By Philip Kerr, Vaughan Jones, Jon Hird, Sue Kay

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The winter horses

By Philip Kerr

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"Kalinka, a Ukrainian Jewish girl on the run from the Nazis, finds unlikely help from two rare Przewalski horses"-- Kalinka, a Ukrainian Jewish girl on the run from the Nazis, finds unlikely help...

The Most Frightening Story Ever Told

By Philip Kerr

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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.