Wu Guo Gushi
Wu Guo Gushi ( "Stories of the Five States" ) is a 10th-century Song dynasty history book , which in 2 chapters describes 5 of the southern states during the chaotic Five Dynasties period ( 907–960 ) : the Wu , Southern Tang , Later Shu ( including information on Former Shu ) , Southern Han and Min Kingdom , especially their rulers . 
<triplet> Southern Tang <subj> Five Dynasties period <obj> time period