Modern: 13 Vehicle Spells by Michael Hammes, 7-pages, $2.00.
http://www.rpgnow.com/product_info.php?products_id=4346&SRC=Enworld
Campaign Planner 3 by Philip Reed, 32-pages, $4.00.
http://www.rpgnow.com/product_info.php?products_id=4330&SRC=Enworld
Star Ace Classic: Lightspeed Raid, 35-pages, $3.95.
http://www.rpgnow.com/product_info.php?products_id=4327&SRC=Enworld
http://www.rpgnow.com/product_info.php?products_id=4346&SRC=Enworld
Campaign Planner 3 by Philip Reed, 32-pages, $4.00.
http://www.rpgnow.com/product_info.php?products_id=4330&SRC=Enworld
Star Ace Classic: Lightspeed Raid, 35-pages, $3.95.
http://www.rpgnow.com/product_info.php?products_id=4327&SRC=Enworld