Relativity Media has picked up the rights to David Anthony Durham's epic fantasy novel Acacia: The War With the Mein.

According to Variety, Andrew Grant will adapt the first installment of a planned trilogy.

The story kicks off after King Akaran is assassinated and the kingdom of Acacia is overthrown by the warlike Mein tribe. Four Akaran siblings spend nine years in exile before reuniting as adults to retake their father's kingdom.

No production date has been set.