How To DJ R-R-R-R-ight

 is a guide book used by Soos to DJ in "Double Dipper". It was written by DJ Scratch Trax, as seen on the cover.

History
Soos then bought it. He later used the book to help him DJ at the Party at the Mystery Shack, in "Double Dipper". Also, when Soos mentions the name to Stan, he says it's not encouraging.