Philipp Honvehlmann Books

Build Your Own Lego Knight s Realm The Big Unofficial Lego Builder s Book

By Philipp Honvehlmann, Lutz Uhlmann, Tim Bischoff, Joachim Klang

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Lego tips tricks and building techniques

By Joachim Klang

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This "volume of the ... Lego builders' books series addresses beginners as well as skilled builders who want to improve their building techniques and create individual and lifelike buildings, vehic...

Lego Tips Tricks and Building Techniques

By Philipp Honvehlmann, Tim Bischoff, Joachim Klang

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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.