Xurxo Penalta Books

Spider Man

By Zeb Wells

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SpiderMan Amazing SpiderMan Hardcover

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The Amazing Spider-Man: The Gauntlet, Vol. 4 - Juggernaut

By Emma Rios, Jefte Palo, Stan Lee, Fred Van Lente, Chris Bachalo, ZEB WELLS, DAN SLOTT, Tim Townsend, ROGER STERN, Xurxo Penalta

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Half-Man, Half-Reptile..."the Lizard will take over all of Earth unless Spider-Man alone can stop him!" With these words, Dr. Curt Connors, the man who would be The Lizard, ushered a new kind of vi...

Lizard Amazing SpiderMan Paperback

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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.