Kevin Preis Books

AP United States History Flash Cards

By Kevin Preis, Michael R. Bergman, Michael Bergman

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Students preparing for the Advanced Placement U.S. History exam will welcome this set of flash cards, which offers them the flexibility to study history in ways not available from textbooks and st...

Barron'S AP United States History Flash Cards

By Kevin Preis, Michael R. Bergman, Michael Bergman

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Students preparing for the Advanced Placement U.S. History exam will welcome this revised and updated set of flash cards. The cards encompass the entire AP course and offer students the flexibilit...

Mandolin

By Kevin Preis

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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.