Michael V. Mulligan Books

Career Search: A Personal Planning Guide

By Michael V. Mulligan

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The five goal college plan

By Michael V. Mulligan

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"A strategic plan that will help you: graduate from college in 4 to 4.5 years with a B.A. or B.S., become and operate as a self manager and leader, become and operate as a career planner and manage...

Excelling as a Team Leader

By Michael V. Mulligan

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My Career Mentor Me

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Becoming the Best in Our Field

By Michael V. Mulligan

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Helping Your Children Launch a Successful Career Before Age 30

By Michael V. Mulligan

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My high school college and post college plans

By Michael V. Mulligan

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Sharpening my one on one performance facilitation helping communication skills

By Michael V. Mulligan

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"This manual introduces a three stage performance facilitation process and identifies three helping communication skills that employees need to master and execute to help others succeed. The four s...

Sharpening my one-on-one performance facilitation & helping communication skills

By Michael V. Mulligan

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Five Goal College Plan

By Michael V. Mulligan

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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.