Books: Where art meets national security in Hong Kong

A casual visitor to Hong Kong will see a vibrant art scene, replete with contemporary galleries and shiny museums. But the underlying question, for collectors, dealers and general enthusiasts alike, is how Hong Kong artists respond to the limitations -- perceived or otherwise -- of the national security law that took effect in March after unanimous assent by the city's Beijing-approved Legislative Council criminalizing subversion and "collusion with external elements."