Gook led the WANFL's goalkicking in 1939, kicking 102 goals from 18 games.

Gook also represented the WANFL in seven interstate and carnival matches between 1934 and 1938, kicking 20 goals, including six against the VFL in 1938.

In his final season, 1940, he took out Perth's best and fairest award, playing mainly as a centreman.

In 1941, Gook suffered a fractured skull and leg in a motorcycle accident while riding pillion on Scarborough Road, with the motorcyclist, Alexander Brown Burton Stevens, being killed.

[5][6] A benefit match was held in October 1941 for he and another footballer, J. Hulme of Swan Districts, who had also been injured in a road accident.