Jonathan Packer Books

Viva Europa! Living & Working In Europe

By Jonathan Packer

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Peterson'S The Directory Of Jobs And Careers Abroad

By Jonathan Packer

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The definitive guide to permanent career opportunities overseas. Tells which skills are in demand, where to find the best prospects, how to cut through red tape, plus lists key contacts for careers...

The Directory Of Jobs And Careers Abroad

By Jonathan Packer

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Live And Work In Spain And Portugal

By Vacation Work Publications, Jonathan Packer, Vacation Work Publications, Jonathan Packer

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Book by Vacation Work Publications, Packer, Jonathan

Live And Work In Spain And Portugal

By Victoria Pybus, Jonathan Packer, Rachael Robinson, Vacation Work Publications, Jonathan Packer

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Book by Vacation Work Publications, Packer, Jonathan

Straightforward Guide To Living And Working Abroad

By John Packer, Jonathan Packer

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Live & Work In Russia And Eastern Europe

By Jonathan Packer

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Anyone hoping to work in the former Communist countries of Europe needs the very best, up-to-date advice. This new book shows where the best possibilities are for both the prospective employee and...

Live And Work In Russia And Eastern Europe

By Jonathan Packer

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A Reference For Those Interested In Finding Temporary Or Permanent Work, Starting A Business Or Living In Russia Or One Of The Eastern European Countries. It Features Information On The Local Way O...

A Straightforward Guide To Living And Working Anywhere In The World

By Jonathan Packer

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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.