Robert P. Mark Books

Professional Pilot Career Guide

By Robert P. Mark, Robert Mark, Robert Paul Mark

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A goldmine of practical tips on career opportunities, training, buidling flight time, and hiring practices, this book was called "right on target" by the hiring manager at United Airlines.

Professional Pilot'S Career Guide

By Robert P. Mark, Robert Mark

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Find the Best-Paying and Most-Fulfilling Jobs in Professional PilotingA valuable employment tool, the Professional Pilot Career Guide provides a complete sourcebook of professional flying opportuni...

Joy Of Flying

By Robert P. Mark, Robert Mark

Average: 0.00, 0 Ratings

Presents an overview of the challenges and requirements of learning to pilot your own airplane

Professional Pilot Career Guide

By Robert P. Mark, Robert Mark, Robert Paul Mark

Average: 0.00, 0 Ratings

A goldmine of practical tips on career opportunities, training, buidling flight time, and hiring practices, this book was called "right on target" by the hiring manager at United Airlines.

The Joy Of Flying

By Robert P. Mark, Robert Mark

Average: 0.00, 0 Ratings

Presents an overview of the challenges and requirements of learning to pilot your own airplane

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.