softbound driver's manual for 1948; quite good condition with unmarked pages; minor edge wear - see pics; b/wphotos are clear.
 
Inside cover -
"To the Drivers of Oregon:
I cannot over-emphasize the importance of studying this booklet carefully.  If you are a beginner such study may well represent your first step in becoming a truly competent moter vehicle operator.  If you have had previous driving experience this material may be definitely helpful to you in improving your driving practices...
 
This is not a copy of the law.  It is, instead, a simple explanation of traffic regulations and license requirements compiled to assist you in preparing for Oregon driver's license tests, and for the still broader purpose of encouraging you to become a better than average driver...