Media Lab Books

Media Lab Books is a publisher who has published at least 5 editions.

The Unofficial Harry Potter Spellbook
The Game Master's Book of Random Encounters: 500+ customizable maps, tables and story hooks to create 5th edition adventures on demand
Dumbledore: The Life and Lies of Hogwarts's Renowned Headmaster: An Unofficial Exploration
Smithsonian 10-Minute Science Experiments
MI6 Spy Skills for Civilians