Peter Olesen Books

Copenhagen, for better, for worse

By Olesen Peter.

Average: 0.00, 0 Ratings

Hanne Varming

By Hanne Varming

Average: 0.00, 0 Ratings

Peter Olesen viser rundt i Kobenhavns Havn

By Peter Olesen

Average: 0.00, 0 Ratings

Peter Olesen viser rundt i Kobenhavns Havn

By Peter Olesen

Average: 0.00, 0 Ratings

I denne bog har Peter Olesen sat fokus på hovedstadens smukkeste træhuse. København er nemlig langt mere end beton, brosten og asfalt. Faktisk vrimler det med huse og bygninger i godt gammeldags tr...

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.