Johannes Roschinsky Books

Blaueule Leid.

By Johannes Roschinsky

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Skifahren mit Kindern

By Johannes Roschinsky

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Der vorliegende Ratgeber gibt Antwort auf alle Fragen rund um das Kinderskilaufen. Der Schwerpunkt des Buches besteht in der Vermittlung der Basistechniken des Alpinen Skilaufs, wobei dem Carven ei...

Fatburning

By Johannes Roschinsky

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Carving

By Johannes Roschinsky

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Carven

By Johannes Roschinsky

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Dieses Buch beschreibt die Grundlagen des Carvens von den ersten Erfahrungen in der Ebene über das parallele Grundschwingen bis hin zu den speziellen Techniken des Race-, Fun- und Tiefschnee-Carven...

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.