Guy John Books

Oriental trade ceramics in Southeast Asia, 10th to 16th century

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"Numerous Hindu and Buddhist kingdoms flourished in Southeast Asia from the 5th to the 9th century, yet until recently few concrete details were known about them. Lost Kingdoms reveals newly discov...

Elizabeth I

By Guy John

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12 fantastic new history books that cover history from the Egyptians to Britain in the 40's. 9 yrs+ British history. Royalty.

Indian Temple Sculpture

By John Guy, Guy John

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Arts of India 1550 1900

By John A. Guy, Deborah Swallow

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Indian cotton textiles

By Karun Thakar, Guy John

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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.

Guy John Books

Indian textiles in the East

Oriental trade ceramics in Southeast Asia, 10th to 16th century

Palm-leaf and paper

Ghosts

Kent castles

Lost kingdoms

Elizabeth I

Indian Temple Sculpture

Arts of India 1550 1900

Indian cotton textiles

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?