Tim Sheridan Books

Masters of the Universe: Revelation

By Written By Tim Sheridan With Kevin Smith, Rob David. Illustrated By Mindy Lee . Colored By Rico Renzi. Lettered By Deron Bennett.

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The official comic book prequel to the Netflix television series, written by showrunner Kevin Smith and episode writer Tim Sheridan and featuring art by Mindy Lee (Crimson Lotus).  Following a...

Teen Titans Academy Vol. 1: X Marks The Spot

By Various

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The original New Teen Titans have reteamed and formed the Titans Academy to teach the next generation of superpowered teens …if the students can survive the training. Nightwing, Starfir...

Flashpoint Beyond

By Geoff Johns

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The reality-shattering world of Flashpoint is back! Legendary DC writer Geoff Johns returns to the story he made famous in 2011, as the Flashpoint Batman searches for answers in a world that should...

Masters of the Universe

By Tim Sheridan, Mindy Lee, Rob David, Kevin Smith, Rico Renzi

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Suicide Squad Bd. 1 Mission

By Julio Ferreira, Eduardo Pansica, Max Raynor, Joe Prado, Dexter Soy, Tim Sheridan, Robbie Thompson, Rafa Sandoval

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Guerra por Tierra 3

By Eduardo Pansica, Tom Derenick, Dexter Soy, Tim Sheridan, Julio Ferreira, Fabian Rodriguez Piastri, Dexter Vines, Ariel Olivetti, Dennis Hopeless, Will Conrad, Brent Peeples, Steve Pugh, Jeremy Adams, Robbie Thompson, Kieran McKeown

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Thunder Lightning

By Tim Sheridan

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Wobble, a penguin, is frightened by a thunderstorm so his friend Widget, an elf, tells of the story of Thunder and Lightning, who grew up together but now only get to visit and play with each other...

Teen Titans Academy Vol. 2: Exit Wounds

By Tim Sheridan

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Alan Scott: The Green Lantern

By Tim Sheridan

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The JSA’s greatest hero faces his greatest villain, in a powerful story of courage showcasing DC’s original Green Lantern in an all-new light!The Green Lantern is the most powerful memb...

Teen Titans Academy Vol. 1: X Marks The Spot

By Tim Sheridan

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Welcome to Teen Titans Academy!Class is in session at the newest school for young heroes. Packed with a new and untested crop of superpowered teens, the Academy’s latest recruits include an A...

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.