Lawrence Knudsen Books

Just Be Nice...And Other Lost Arts Of Etiquette For Management : A Mentor To Those Who Manage People And Expect Productivity And Profitability In Return

By Knudsen, Lawrence Knudsen, Lawrence G. Knudsen

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The Clock Struck Murder: A PROFESSOR BATES NOVEL

By Lawrence Gordon Knudsen, Lawrence Knudsen

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Joshua Bates is a retired banker. He now teaches business classes at a small college in Colorado. The tragic death of one of his students leads to the exploration of an old mine. The mine is percei...

The Clock Struck Intrigue: A Professor Bates Novel

By Lawrence Gordon Knudsen, Lawrence Knudsen

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The Clock Struck Evil: A Professor Bates Novel

By Lawrence Gordon Knudsen, Lawrence Knudsen

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THE CLOCK STRUCK TERROR: A PROFESSOR BATES NOVEL

By Lawrence Gordon Knudsen, Lawrence Knudsen

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The Clock Struck Murder: A Professor Bates Novel

By Lawrence Gordon Knudsen, Lawrence Knudsen

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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.