What has the author Giorgio P Panini written?

Giorgio P. Panini is a well-known author, but his work primarily focuses on comic books, especially those related to the Marvel Universe. He's renowned for his in-depth research and analysis of Marvel's characters and storylines.

Here are some of the books he has written:

* Marvel Universe: The Definitive Guide to Characters (various editions) - a comprehensive guide to Marvel characters, considered a valuable resource for fans and collectors alike.

* The Official Handbook of the Marvel Universe (various editions) - another essential guide, providing detailed information on the Marvel Universe, its history, and its characters.

* Marvel Universe: The Ultimate Guide to Characters - a more recent guide, offering a thorough overview of the Marvel Universe.

It's important to note that Giorgio P. Panini is not to be confused with Giorgio Panini, the founder of the Panini Group, a multinational company specializing in the production and distribution of comics, stickers, and other collectibles.

While Giorgio P. Panini is known for his extensive knowledge of the Marvel Universe, he may have also written other works, but his primary focus has been on Marvel-related publications.