About King Of Beasts by Tony Park

An action-packed hunt across South Africa full of international espionage, twin
swaps and prison escapes Former mercenary Sonja Kurtzs archaeologist
daughter Emma is captured by Russian forces in Ukraine, while working to save
priceless antiquities from the ravages of war.

Emmas captor, Major Vassily
Orlov, who served time in a South African prison for poaching and murder, is
planning a return to Africa for pleasure and for unfinished business with
Emma in tow. Sonjas mission seems simple: to hunt Orlov and rescue Emma.
But first, Sonja must reconcile with the estranged daughter who tried to kill her:
Emmas twin sister, Fiona.