David Lubar Books

Extremities Stories of Death Murder and Revenge

By David Lubar

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Sports Shorts

By Terry Trueman, David Lubar, Marilyn Singer, Dorian Cirrone, Joseph Bruchac

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Punished Darby Creek Exceptional Titles

By David Lubar

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Lay ups and long shots

By Joseph Bruchac

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A collection of nine short stories about middle-schoolers and sports. They range from a game of "H-O-R-S-E" to running, ping pong, dirt biking, surfing, place kicking, soccer, and basketball.

Sleeping Freshmen Never Lie

By Ryan MacConnell, David Lubar

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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.