Thomas Hayes Books

Bilibid Diary: The Secret Notebooks of Commander Thomas Hayes, POW, the Philippines, 1942-45

By Hayes Thomas, A. B. Feuer

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Marketing professional services

By Philip Kotler

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"Marketing Professional Services, Second Edition has been completely revised to reflect the revolution that has swept the professional services sector since its original publication."--BOOK JACKET.

Gas monitoring in clinical practice

By J. S. Gravenstein

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Chen Taijiquan The Theory and Practice of a Daoist Internal Martial Art

By Thomas Hayes, Wang Hai Jun

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El Marketing De Servicios Profesionales

By Thomas Hayes, Philip Kotler, Paul Bloom

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El Marketing de Servicios Profesionales

By Thomas Hayes, Philip Kotler, Paul N. Bloom

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Elite Led Mobilization and Gay Rights

By Thomas Hayes, Charles A. Smith, Matthew Incantalupo, Benjamin Bishin

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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.