RT Video/DVD DB /z-wcorg/ DS http://worldcat.org ID 26744810 LA Closed-captioned. T1 Back to the future part II A1 Zemeckis, Robert,, Fox, Michael J.,, Lloyd, Christopher,, Thompson, Lea,, Wilson, Thomas F., Spielberg, Steven,, Universal Pictures (Firm), Amblin Entertainment (Firm), MCA Universal Home Video (Firm), PB MCA Universal Home Video PP Universal City, CA YR 1990 SN 1558801634 9781558801639 AB Marty McFly and Doc Brown first travel to the year 2015 to save Marty's as yet unborn son from going to jail. While there Marty purchases a sports history book, wanting to make some money wagering on future events. Doc convinces him this would be unethical and he discards the book. Biff, who became a wealthy man by using this book, delivers the book to himself as a young man to insure his future. Marty and Doc must then go back to 1955 to retrieve the book.