Night of the Hunter by R. A. Salvatore (Companions Codex #1)

R.A. SalvatoreΓÇÖs New York Times best-selling saga continues as dark elf Drizzt DoΓÇÖUrden returns to Gauntlgrym with old friends by his side once again, as they seek to rescue BruenorΓÇÖs loyal shield dwarf-turned-vampire.

But not only do Drizzt and his allies face a perilous journey through the Underdark and the dangers of the undead that lie within, but they must cross through a colony of drow, who would like nothing better than to see Drizzt DoΓÇÖUrden dead.