This one's from Sierra's Summer 1993, $2.95 U.S., $3.95 Canadian
INTERACTION Magazine (http://www.sierragamers.com/uploads/24082/Interaction/018_InterAction_Volume_6_Number_2_Summer_1993.pdf#page=3)
"A blatantly biased look at games from the SIERRA family"
(http://www.moodurian.com/tornado/images/sierratornado.jpg)
Does anyone else know of any other Tornado advert?
Click below to access the Sierra Interaction magazines archive:
(http://www.sierragamers.com/uploads/24082/InterAction_Header.jpg) (http://www.sierragamers.com/InterAction)
You will get Sierra Magazine archives dating back from 1981 to 1997
The Sierra Game Hint Guides archive is here (http://www.sierragamers.com/aspx/blob2/blobpage.aspx/msgid/629854). A very nice collection of PDF scans.