Daniel Mcguinness Books

New Cool Careers Without College

By Daniel Mcguinness, Gabrielle Navarre, Carla Mooney, Carol Hand, Heather Moore Niver

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Cool careers without college for people who are really good at science math

By Daniel McGuinness

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Young adult science and math types learn about jobs that don't need a college education. Each career overview includes tips on career preparation and future prospects. Sidebars offer profiles on sp...

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.