Richard Kriegler Books

Terror in the Tomb of Death

By Richard Kriegler, Alida E. Young

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One Sister Too Many

By Richard Kriegler, Carol Perry

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The Scariest Stories You ve Ever Heard 1

By Richard Kriegler, Mark Mills

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You know the feeling. It's a pitch-black, spooky night. The moon is shining eerily through the mist. You hear a scuffling in the woods outside your house. It must be your imagination, you tell you...

Scariest Stories You ve Ever Heard Part II

By Richard Kriegler, Katherine Burt

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They're back! It's another spine-tingling, blood-curdling collection of the most frightening tales ever told! Two boys take their little sister out on Halloween night--but they can't believe what s...

Supernatural Coloring Book

By Richard Kriegler

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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.