James Duplacey Books

Defensemen

By James Duplacey

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Centers

By James Duplacey

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Forever rivals

By James Duplacey

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Hockey superstars.

By James Duplacey

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Presents a brief look at some of the legendary goalkeepers of the National Hockey League, including Tom Barrasso, Patrick Roy, Ed Belfour, Tony Esposito, and Grant Fuhr.

Great Goalies

By James Duplacey

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Hockey superstars.

By James Duplacey

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Profiles the careers on ice of forty rookies in the National Hockey League. Includes each player's rookie-season statistics.

Hockey Superstars Top Rookies Hockey Superstars

By James Duplacey

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Hockey superstars.

By James Duplacey

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Presents a brief look at some of the hockey superstars who have scored 1000 goals in their careers, including Gordie Howe, Mark Messier, Denis Potvin, Darryl Sittler, and Wayne Gretzky.

Hockey superstars. Amazing forwards

By James Duplacey

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Presents a brief look at some of the hockey superstars who have scored 1000 goals in their careers, including Gordie Howe, Mark Messier, Denis Potvin, Darryl Sittler, and Wayne Gretzky.

Hockey Stories On And Off The Ice

By James Duplacey, Dan Diamond

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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.