Title: Secrets of Mental Math [The Greate Courses]
Cast: Benjamin, Arthur T.
Studio/Distributor: The Teaching Company
Publication Date: 2011
ISBN: 1598037161
Type: DVD
Condition: New
Notes: Brand new set in manufacturer's shrink wrap. Complete set: two DVDs in case, and course guidebook. Each lecture is 30 minutes long. 12 lectures total.
Images shown are scans of the actual copy you will receive.