Although this is successful, Doc discovers that Marty has purchased a sports almanac to take back to 1985.
However, the earlier scene between Doc and Marty regarding the sports almanac ended with a now-elderly Biff Tannen, who has overheard their earlier conversation.
While there, the DeLorean is stolen by Biff who then travels back to November 12, 1955 to give his past self a sports almanac to be used for gambling.
Young Biff used the sports almanac to bet on the results of sporting events, since he now knew the results.
Peck later claimed that he had been able to defeat Cabana because Eddie Kingston's finishing maneuver, the Backfist to the Future, had actually sent him to the future, where he had bought a sports almanac and found out who would be answering his challenge.
But when Marty and Doc are not looking, old Biff takes an old sports almanac, hijacks the DeLorean, travels back to 1955 and gives the book to his teenage self.
Hratch Zadoyan grabbed a sports almanac to settle an argument about who played quarterback for Dallas in Super Bowl V. Eric Duncan settled into a chair with an encyclopedia of hip-hop.
On a 2005 episode of the MSNBC entertainment show MSNBC Entertainment Hot List, the female host stated that the name came from "old Scottish sports almanacs".
In Leipzig, he put out a sports almanac for 1844 and Taschenbuch für Jäger und Naturfreunde (Handbook for Hunters and Friends of Nature).
Doc finds evidence of the sports almanac and Biff's trip to 1955 in the DeLorean and tells Marty he needs to learn when the 1955 Biff received the grays sports almanac so they can correct the time line.