Give them a copy of Ayn Rand's Atlas Shrugged.
The novel's come-on of violent sex, atheistic individualism, and vaguely fascistic yearnings might make it attractive to your average liberal and help to win him over by stages to its better libertarian elements.

Psalms 118:8 It is better to trust in the LORD than to put confidence in man.
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Scarlet Chord Ministries   Isa 1:18