ThishistoricalfictionisbasedonthetruestoryofLiShimin(alsoknownasTangTaizong),thegreatestsovereigninChinesehistory.About30yearsyoungerthanMuhammad,hegrewupinaworldofdevastatingupheavalthattoreChinaasunderandwasthrustintotheroleofamilitarycommanderinhisfather’srebelarmywhilestillateenager.Intheprocessofvanquishinghisenemiesonthebattlefield,heprovedhimselftobeagreatmilitarygenius.Asemperorheencouragedcriticalsuggestionsbyhiscourtofficials,whichheoftenadopted,andlentsupporttothereligionsofhisday,notably,Buddhism,Daoism,andChristianity.TheinternationalprestigehehadwonforTangChinawassohighthatthestatesofCentralandNorthAsiahonoredhimwiththetitleof“HeavenlyKhan.”Althoughhisfatherfoundedthedynasty,itwashisreignthatlaidthegroundworkforabrilliantempirethatwastoendureforcenturies.
本書根據史實，描述唐太宗李世民透過一場場的征戰，消滅敵軍，開疆闢土；同時鼓勵諫言，包容不同宗教，進而成就唐代偉大盛世，獲得「天可汗」的美名。
