Fritz Casas Books

Blood brotherhood

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On December 1, 1950, Marine Captain Everett Donovan wakes up in a mortar crater behind enemy lines and is confronted by his Korean counterpart--who will survive the encounter?

Blood brotherhood

By M. Zachary Sherman

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On December 1, 1950, Marine Captain Everett Donovan wakes up in a mortar crater behind enemy lines and is confronted by his Korean counterpart--who will survive the encounter?

COSMOS Trade Paperback

By Dody Eka, Tony Kittrell, Fritz Casas

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Bloodlines Pack B Of 4

By M. Zachary Sherman, Fritz Casas

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Fighting Phantoms

By Dave Seeley, M. Zachary Sherman, Fritz Casas

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Control under Fire

By Dave Seeley, M. Zachary Sherman, Fritz Casas

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Bloodlines Pack a Of 4

By M. Zachary Sherman, Fritz Casas

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Time for War

By Dave Seeley, M. Zachary Sherman, Fritz Casas

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Blood Brotherhood

By Dave Seeley, M. Zachary Sherman, Fritz Casas

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Fighting Phantoms

By Dave Seeley, M. Zachary Sherman, Fritz Casas

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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.