Your search for "the dialogue learning from the masters Twenty Seven Golden Rules" revealed the following:

Script Doctoring

Script Doctoring

Harness a Unique Voice to Sell Your TV Pilot

Harness a Unique Voice to Sell Your TV Pilot

Screenwriting 101 for Novelists

Screenwriting 101 for Novelists

History in Action: Writing The Period Piece Script

History in Action: Writing The Period Piece Script