Bookspan Scientific American Book Club Ride-A-Long
Description: Inserts will ride along with mailings to active Scientific American Book Club members. These well-educated, mostly male readers are mostly professionals, students and lay readers with a scholarly interest in the sciences. The average age of the file is 57; average household income is $71,000. Most are married homeowners.
Selects: 700,000 universe
Contact: Your list broker or Singer Direct, 800 Westchester Ave., Rye Brook, Ny 10573