Sumit Kumar Books

Justice League Dark: The Great Wickedness

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Spinning out of the cataclysmic events of Dark Knights: Metal and the universe-defining No Justice, the core members of the Justice League—Superman, Batman, Wonder Woman, Aquaman, The Flash a...

Apache Spark 2.x for Java Developers Explore big data at scale using Apache Spark 2.x Java APIs

By Sourav Gulati, Sumit Kumar

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Poverty in Afghanistan

By Mohammad Hakim Haider, Sumit Kumar

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Liga de la Justicia num. 10 125

By Ram V Ram V, Phil Hester, Francisco San Rafael Simo, Brian Michael Bendis, Sumit Kumar

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Liga de la Justicia num. 5 120

By Ram V Ram V, David Marquez, Steve Pugh, Francisco San Rafael Simo, Xermanico Xermanico, Brian Michael Bendis, Sumit Kumar

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Estado Futuro

By Brandon Thomas, Paul Jenkins, Rob Haynes, Paula Sevenberger, Felip Tobar Pastor, Nick Derington, Aneke Aneke, Vita Ayala, Laura Braga, John Ridley, Emanuela Lupacchino, Jack Herbert, Sumit Kumar

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Liga de la Justicia num. 8 123

By Ram V Ram V, Phil Hester, Scott Godlewski, Geoffrey Thorne, Francisco San Rafael Simo, Brian Michael Bendis, Sumit Kumar

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Liga de la Justicia num. 9 124

By Ram V Ram V, Phil Hester, Francisco San Rafael Simo, Brian Michael Bendis, Sumit Kumar

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Liga de la Justicia num. 6 121

By Ram V Ram V, Geoffrey ThorneSumit, Steve Pugh, Francisco San Rafael Simo, Xermanico Xermanico, Brian Michael Bendis, Sumit Kumar

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Amar bari tomar bari Naxalbari

By Kumar Sumit Artist

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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.