Charles P. Crawford Books

Sky Above, Earth Below

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While in the hospital recovering from an accident, Brent gets to know is funny roommate, Kirk and the caring Amy down the hall. The three's friendship grows, but tragedy is around the corner.

Three-legged race

By Charles P. Crawford

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Three young people manage to forget their hospital surroundings as their friendship deepens and they are increasingly caught up in a world of their own.

Letter Perfect

By Crawford, Charles P. Crawford

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What begins as a practical joke culminates in the cruel harrassment of the victim.

Letter Perfect

By Charles P. Crawford

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Split time

By Charles P. Crawford

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Devastated by his parents' separation and lonely after a move to a new home, fifteen-year-old Evan becomes disastrously involved with a beautiful young woman whom he does not know is emotionally di...

Et forbandet efteraar.

By Charles P. Crawford

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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.