John Harding Martin Books

My Life in Crime

By John Harding Martin

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A day in the life of a ballet dancer

By John Harding Martin

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Follows a ballet dancer through her day as she rehearses new dance routines, attends to the many details for an upcoming performance, and teaches a class of young dancers.

A day in the life of a ballet dancer

By John Harding Martin

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Follows a ballet dancer through her day as she rehearses new dance routines, attends to the many details for an upcoming performance, and teaches a class of young dancers.

A day in the life of a carpenter

By John Harding Martin

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Follows a cabinet maker through his day as he selects materials for a new project, meets with a prospective client, and installs a completed piece.

A day in the life of a carpenter

By John Harding Martin

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Follows a cabinet maker through his day as he selects materials for a new project, meets with a prospective client, and installs a completed piece.

A day in the life of a high-iron worker

By John Harding Martin

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Follows a high-iron construction worker through his day as he skillfully bolts together the iron frame of a skyscraper.

A day in the life of a high-iron worker

By John Harding Martin

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Follows a high-iron construction worker through his day as he skillfully bolts together the iron frame of a skyscraper.

Butcher s Dozen

By John Harding Martin

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A day in the life of a police cadet

By John Harding Martin

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Follows a police cadet through his day as he attends classes in self-defense, CPR, police procedures, and other aspects of police work.

A day in the life of a police cadet

By John Harding Martin

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Follows a police cadet through his day as he attends classes in self-defense, CPR, police procedures, and other aspects of police work.

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.