Norman Hammond Books

Maya archaeology has undergone a revolution in the past few years: a century of exploration, excavation, and study of temples and monuments has now been amplified by a wealth of new data on the eco...

The native sources and the history of the Valley of Mexico

By International Congress Of Americanists 44th 1982 Manchester England

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Nohmul, a prehistoric Maya community in Belize

By Norman Hammond

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Builders Of The Ancient World

By Ann Nottingham Kelsall, Ron Fisher, Norman Hammond, Richard A. Cooke III, Joyce Stewart, Gene S. Stuart

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Brings to the fore how technology maybe isn't all that far ahead of the ancient builders. Nicely illustrated and an easy read in summary form serves as a good reference. Only fault is a more comp...

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.