Joshua Doder Books

Grk and the hotdog trail

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Twelve-year-old British schoolboy Tim Malt and his dog, Grk, set out on a new adventure while in New York City, where they seek to discover who stole the Golden Dachshund from the National Museum.

Grk Smells a Rat

By Joshua Doder, Josh Lacey

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Grk Takes Revenge

By Joshua Doder, Josh Lacey

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187 p. ; 20 cm

Grk auf heisser Spur in Australien

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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.