Peter D. Harrison Books

The lords of Tikal

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"The Maya metropolis of Tikal was once one of the greatest cities in the world. At its peak around A.D. 750 over 100,000 people lived here, in the heart of the Guatemalan rainforest. Huge temple-py...

Pre-Hispanic Maya agriculture

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A field guide to seabirds of the world

By Harrison Peter

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Pulltrouser Swamp

By Peter D. Harrison

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Pulltrouser Swamp

By Peter D. Harrison

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Tikal Dynasties Foreigners Affairs of State

By Name Missing, Jeremy A. Sabloff

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The Lords of Tikal

By Peter D. Harrison

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Pulltrouser Swamp

By Peter D. Harrison, B. L. Turner

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Calculator

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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.