Chris Gerrib Books

The Mars Run

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In 2071, Janet Pilgrim, A Recent High School Graduate, Suddenly Finds Herself Unable To Afford College, Thanks To Her Father's Financial Mismanagement. Faced With The Fear Of Dying Of Embarrassment...

The Night Watch

By Chris Gerrib

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Pirates Of Mars

By Chris Gerrib

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The Night Watch (The Pirates Trilogy)

By Chris Gerrib

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The Tangled Web

By Wren Roberts, Jennifer Lee Rossman, Steven H Silver, James Lovegrove, Anne Bishop, Toni Johnson, Chris Gerrib, Michael Auld, Lauren Lyn Cidell, Jason Evans

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The Mars Run

By Chris Gerrib

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When Eighteen-year-old Janet Pilgrim's Boyfriend Was Killed In A Training Accident At The Space Academy, She Thought She Was Going To Be Thrown Out. Instead, She Soon Found Herself Shipping Out As...

One Of Our Spaceships Is Missing: An LGBTQIA Military Space Opera

By Chris Gerrib

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Mars Run

By Chris Gerrib, Charles Sheehan Miles

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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.