Sam Humphries Books

Green Lanterns Vol. 6: A World Of Our Own

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The Two Earth Bound Emerald Warriors, Simon Baz And Jessica Cruz, Return To Earth To Pursue Personal Growth When They Are Called Upon To Save A Doomed Planet In Green Lanterns Vol. 6: A World Of Ou...

Green Lanterns Vol. 7

By Tim Seeley

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Green Lanterns Vol. 8: Ghosts Of The Past

By Andrew Dalhouse, Sam Humphries, Tim Seeley, Ronan Cliquet, Brett Booth, Norm Rapmund, Sandu Florea, Roge Antonio, V. Kenneth Marion, Hi-Fi Colour Design, Dave Sharpe, (Letterer), Aaron Gillespie, (Comic Book Writer), Dinei Ribeiro

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Everyone's Favorite Earthbound Emerald Warriors, Simon Baz And Jessica Cruz, Return To Earth After An Epic Intergalactic Battle To Save Earth's Heroes From A Superhuman Trafficking Ring In Green La...

Harley Quinn. Vol. 3 The trials of Harley Quinn

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Foundation Director 8.5

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Harley Quinn

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Imposibles X Force 06

By HUMPHRIES SAM GARNEY RON ALPHONA ADRIAN

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LOS VENGADORES I.A..

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Coleccion 100 Legendario Starlord 1. Afrontalo Soy Lo Mas

By URIEL LOPEZ, SAM HUMPHRIES

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Coleccionable Ultimate. The Ultimates 10. Divididos Caemos Unidos Resistimos

By SANTIAGO GARCIA, SAM HUMPHRIES

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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.