The Non-Canon Expert explains why Grievous didn’t help Dooku in his duel against Anakin and Obi-Wan in Revenge of the Sith, describing how the Sith ensured Grievous was intentionally kept away from the confrontation and Grievous’s true desire in dealing with the Jedi onboard the Invisible Hand. This is a Legends story for Grievous and Dooku seen within the fantastic Revenge of the Sith novelization by Matthew Stover. I hope that you enjoy it!