James Sweeney Books

Poker Workbook Math and Preflop

By James Sweeney

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Chatoyer Freedom s War Chief

By James Sweeney

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Mercenary s Women

By James Sweeney

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Optimizing Ace King

By Adam Jones, James Sweeney

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Ace King is a massively profitable hand. In fact, AK is in the top-5% of winning hands and accounts for a good chunk of your winrate. But despite that fact, many players are confused about how to a...

Poker Workbook

By Peter Clarke, James Sweeney

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Unfolding Poker

By James Sweeney

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Live Poker Player s Journal

By James Sweeney

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Tournament Final Tables

By Tom Fazio, Ben Hayles, James Sweeney

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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.