Christopher Krovatin Books

Gravediggers: Mountain of Bones

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During a class trip to the Montana woods, three sixth-graders, athletic Ian, sensitive PJ, and brainy Kendra, are separated from their group and must rely on each other to survive as they encounter...

Gravediggers: Mountain of Bones

By Christopher Krovatin

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Gravediggers

By Christopher Krovatin

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Terror Cove

By Christopher Krovatin

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Gravediggers

By Christopher Krovatin

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Mountain of bones

By Christopher Krovatin

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Heavy Metal and You

By Christopher Krovatin

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Red Rover

By Christopher Krovatin

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Ablaze

By Christopher Krovatin

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Darkness

By Christopher Krovatin

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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.