Prosenjit Das Gupta Books

Walks in the wild

By Prosenjit Das Gupta

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Author's experiences while travelling the jungles and wildlife sanctuaries of India.

Tracking Jim

By Prosenjit Das Gupta

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After Elwin

By Prosenjit Das Gupta

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Articles chiefly with reference to the state of Chhattīsgarh, India.

10 walks in Calcutta

By Prosenjit Das Gupta

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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.