9 books • 7 series
Great White Sharks (Untamed World) (Untamed World) (Animals on the Brink) (Wild World S.)
Blue Whales (Wild World S.) (Animals on the Brink) (Animals on the Brink) (Animals on the Brink) (Untamed World) (Untamed World)
Gorillas (Animals on the Brink) (Animals on the Brink) (Animals on the Brink) (Untamed World) (Untamed World) (Wild World S.)