Cook is committed to equipping the Church in the developing world with the Christian literature resources it needs to win and train their own people for Jesus Christ.
Cook’s international ministry was established as a charitable foundation in 1943.
Today the U.S. ministry, Cook Communications Ministries, is a not-for-profit ministry wholly committed to its founder’s vision to win and train people of all ages for the Lord Jesus Christ.
Cook served as Defence Minister in Deakin's 1909-10 ministry, then succeded Deakin as Liberal leader when the government was defeated by Labor in the 1910 elections.
Cook agreed to become Hughes's deputy in the new Nationalist Party, and became Minister for the Navy in Hughes's government.
Cook quit politics in 1921 and was appointed Australian High Commissioner in London, where he served with distinction until 1927.