Abraham Lincoln: Defender of the Union!

Mark Shulman has written more than 150 books for kids of all ages, including illustrated stories for Marvel Comics, Scholastic, Chronicle Books, Simon & Schuster, and more. Their subjects include The Incredible Hulk, Madagascar, Shamu the orca, The Amazing World of Gumball, and others. Mark started reading comics when they cost just 15 cents and hasn't stopped. He's still got Silver Surfer #1 in very fine condition, and he's not letting it go.Tom Martin graduated from the Joe Kubert School of Cartoon and Graphic Art, where he studied cartooning and sequential storytelling. When not doing graphic design and private commissions, he worked for Dark Horse, Busstrykk, Hasbro, AT&T, and others. For more of his work, follow him on Instagram (@undeadwizardart) and Twitter (@Tom_Martin_Art).John Roshell is a co-founder of Comicraft, the lettering and design studio best known for pioneering the process of digitally lettering comic books. He has lettered thousands of comics for Marvel, DC, Dark Horse, Blizzard, and more; created hundreds of typefaces widely used in comics and video games; and designed loads of logos for franchises like the Avengers, Daredevil, Black Panther, and Angry Birds. He lives in Santa Barbara with his wife Starshine, two boys, and a somewhat ugly dog.