Tim Winkelman Books

24 Hour Comics People 3: Rise Of The Machines

By Laurissa Hughes, Angi Mauri, Jessi Jordan, Tim Winkelman, Ozzy Longoria, Trish Malone, Michael O'Keefe, Clayton Ziemer, Josh Mills, Lonnie Allen, Leila Del Duca, Angi Mauri, Trish Malone, Alexis Cooke, Brenda Goates, Tim Winkelman, Joey Strine, Laurissa Hughes, Amanda McManaman, Clayton Ziemer, Leila Del Duca, Ron Ruelle, Alexis Cooke, Stan Yan, Brenda Goates, Joey Strine, Amanda Mcmanaman, Paul Niemiec, Stan Yan, Angi Mauri, Trish Malone, Alexis Cooke, Brenda Goates, Tim Winkelman, Joey Strine, Laurissa Hughes, Amanda Mcmanaman, Clayton Ziemer, Leila Del Duca, Lonnie Allen, Jessi Jordan, Ron Ruelle, Ozzy Longoria, Josh Mills, Paul Niemiec, Michael O'Keefe

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It's back, and it wants your brain! ...well, maybe just your carburetor. This anthology of sleep-deprived comic stories from the 2009 Denver 24 Hour Comics Challenge includes stories from some of t...

24 Hour Comics People 6

By Michael O Keefe, Bob Hagedorn, Ron Ruelle, Stan Yan, Tim Winkelman

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24 Hour Comics People Episode Four

By Michael O Keefe, Clayton Ziemer, A. Mills, Stan Yan, Tim Winkelman

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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.