"Driving Your Eagle On-and-Off Road"
My 81 was an "automatic full-time, four-wheel-drive" and at the time the "Select Drive" was not yet offered although this four page pamphlet was included.

New Generation 4X4
Over hill, over dale, on the road or on the trail, let an Eagle get you there.
Motor Trend January 1980

Alter Eagle
We build Boss Wagon 4X4 to handle any road in any weather.
Car & Driver June 1980

AMC Eagle SX-4 Sport
Expensive it is, an Audi Quattro it isn't.
Car & Driver, September 1980
A very disappointing review.  It seems that C&D must have had their mind set on having a Audi Quattro and they kept comparing the SX/4 to a car with a completely different mission and that cost $35,000 at the time.  Pretty funny in light of the June article.

Jekyll and Hyde:  Select Drive Eagle
Making the spline clutch connection when the going gets slippery...
Off-Road Magazine, June 1981