( 1 ) sabon has written 16 ( 2 ) books over her distinguished twenty-year ( 3 ) career , including the role of chance in the history of the southern cities ; trillian as reformer : the influence of pig cartels on ambergrisian history ; ( 4 ) magical ambergris : the legacy of manzikert ix ; nature studies with my father ; the gray caps ' role in modern literature : the dilemma of dradin , in love ; ( 5 ) and cinsorium : rethinking the myth of the gray caps .