Hamilton Ian Books

A poetry chronicle: essays and reviews.

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Hired by Tommy Ordonez, the richest man in the Philippines, to recover $50 million in a land swindle, Ava has her work cut out. Tommy's brother has messed up and the Filipino billionaire's reputati...

The disciple of Las Vegas

By Hamilton Ian

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The deadly touch of the tigress

By Hamilton Ian

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The water rat of Wanchai

By Hamilton Ian

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The disciple of Las Vegas

By Hamilton Ian

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The red pole of Macau

By Hamilton Ian

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Ava must find a way to help her half-brother Michael who is in trouble because of a multi-million-dollar real-estate deal gone wrong in Macau.

Children's crusade

By Hamilton Ian

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Children's crusade

By Hamilton Ian

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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.