Mark J. Plotkin Books

Killers Within

By Michael Shnayerson, Mark Plotkin

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The Shaman'S Apprentice

By Lynne Cherry, Mark J. Plotkin

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Kamanya believes in the shaman's wisdom about the healing properties of plants found in the Amazon rain forest and hopes one day to be a healer for his people.

Shaman s Apprentice

By Lynne Cherry, Mark J. Plotkin

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The Killers Within

By Mark J. Plotkin, Michael Shnayerson

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Killers Within

By M. Shnayerson, Mark Plotkin

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Rachel Hears a Song

By M. J. Mouton, Jezreel Cuevas, Mark Plotkin

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Neotropical Companion

By John C. Kricher, Mark J. Plotkin

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Tales of a Shaman s Apprentice

By Mark J. Plotkin

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Tales of a Shaman s Apprentice

By Mark J. Plotkin

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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.