In a nutshell, a great resource, lacking in only a few key areas. If you run action-based d20 games, this book should be a part of your bookshelf. Please see http://www.d20zines.com/v7/node/3081 for a full review.<br><br> <b>LIKED</b>: I liked the fact that the mechanics work with existing rules, rather than creating new ones for us to memorize and implement.<br><br><b>DISLIKED</b>: While it covers land vehicles and mounts nicely, the book is considerably lacking in air chases, space chases, and foot chases. I'd like to have seen these type more fully fleshed out.<br><br><b>QUALITY</b>: Very Good<br><br><b>VALUE</b>: Satisfied<br>