Tristan's Regret

The third and final book of The Return of King Arthur.
In the 5th century, Tristan and Isolde are at the mercy of the scheming Morgana Le Fay, who seeks to undermine King Arthur's alliance with Cornwall.
The consequences of their actions echo down the centuries and, in 2021, Arthur, Tristan and the Knights of the Round Table desperately hunt the last remaining followers of Malagant, an immortal ally of the dead sorceress.
Will Arthur finally live up to his own legend, and can anything put an end to Tristan's regret?