Len Yannielli Books

Lyme Disease Deadly Diseases and Epidemics

By Len Yannielli

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Lyme disease

By Len Yannielli

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Lyme disease is the number one vector-borne disease in the United States. Borrelia burgdorferi, the parasitic organism that causes Lyme disease, is carried by the lxodes tick. Lyme disease can caus...

Lyme Disease Third Edition

By Len Yannielli, Alan Hecht

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Lyme disease

By Len Yannielli

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Moon Shadow of War

By Len Yannielli

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Hurry down Gunntown

By Len Yannielli

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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.