Best & Quickest way to raise Thieving?

Hi im looking to raise thieving to atleast 80 im 72 at the moment.. Basicaly would like to know the best n quickest way to do this? :P

Thanks +Rep to any help.

Best way is Pyramid Plunder.

Pyramid plunder, that's where I got 99 thieving in like 2 and a half weeks.

Pyramid Plunder, need help or a guide pm me. :D