Daniel Page Schallau Books

The Traveler

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When Tor visits his grandfather's house, he finds a place where history is so alive that he walks right through it and learns to use his imagination along the way.

Come Back Soon

By Daniel Schallau

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Come back soon

By Daniel Page Schallau

Average: 0.00, 0 Ratings

A clumsy but helpful elephant makes a big impression when he accepts an invitation from the penguins to visit Icetown. It’s a long way from Elephant Island to Icetown, but good friends will travel...

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.