Lisa Maddaus Books

Preparing urban water use efficiency plans

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Many communities are facing water scarcity in developing and developed countries alike. There are numerous publications and on-going research studies documenting the changes in our climate and pote...

Preparing Urban Water Use Efficiency Plans

By William Maddaus, Lisa Maddaus, Michelle Maddaus

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Preparing Urban Water Use Efficiency Plans 2nd Ed

By Lisa Maddaus, Michelle Maddaus

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Preparing Urban Water Use Efficiency Plans 2nd Ed

By Lisa Maddaus

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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.