Paul Zimmer Books

The Mysteries of Soldiers Grove

By Robert Fass, Paul Zimmer, Xe Sands

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The Mysteries of Soldiers Grove

By Paul Zimmer

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The importance of being Zimmer

By Paul Zimmer

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The mysteries of Soldiers Grove

By Paul Zimmer

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"The town of Soldiers Grove is nestled amongst the driftless hills of southwestern Wisconsin. Its winters are long, its warmer seasons bright and challenging. The population is fewer than 600, incl...

Trains in the distance

By Paul Zimmer

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The ancient wars

By Paul Zimmer

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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.