David F. Capps Books

The Gospel Of Thomas

By David F. Capps

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Solar Weapon

By David Capps, David F. Capps

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Meteor Storm

By David F. Capps

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63,000 years ago, an ancient civilization existed far advanced over our own, but it was destroyed by a natural cataclysm. Now that same cataclysm is about to strike our modern world...When Carl stu...

Meteor Storm

By David F. Capps, D. F. Capps

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Tsunami Storm

By David F. Capps, Capps, David

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The US has launched secret weapons of mass destruction on other countries. And awaits what might be cataclysmic retaliation... China is devastated by an 8.0M earthquake that leaves 70,000 people de...

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.