From publisher blurb:
D20 Modern's futuristic rules have added all new types of material that can be added to you local games for hardcore gamers. This sourcebook PDF focuses on the area of giant mechanical robots and battle suits called Mecha and personalized Power Armor with additional materials that can be added to your games to make them even more interesting and fun. This four-page PDF is an easy-to-integrate for use in any great d20 campaign world and gaming session. Included in this PDF are such add-ons as:
Compact (PL 7)
Helical Magazine (PL 6)
Internal Security (PL 6)
Miniaturization (PL 7)
Plasticizer Shell Launcher (PL 6)
Techno-Organic Technology (PL 8)
Troop Transport (PL 6)
Ultralight Construction (PL 7)
Water Freedom System (PL 6)