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Hagiography (pron.: /?hæ?i???r?fi/), from the Greek (h)a?ios (?γιος, “holy” or “saint”) and graph?in (γρ?φειν, “to write”), refers to the biographies of saints and ecclesiastical leaders. The term hagiology, the study of hagiography, is also current in English, although less common.
Christian hagiographies focus on the lives, and notably the miracles of men and women canonized by the Roman Catholic church, the Anglican Communion, the Eastern Orthodox Church, the Oriental Orthodox churches, and the Church of the East. Other religions such as Buddhism, Islam and Sikhism also create and maintain hagiographical texts (such as the Sikh Janamsakhis) concerning saints, gurus and other individuals believed to be imbued with sacred power.
The term “hagiography” has also been used as a pejorative reference to the works of biographers and historians perceived to be uncritical or “reverential” to their subject, and is arguably the more common usage in a non-specialist context. Nonetheless, hagiographic works, particularly those of the Middle Ages, can often incorporate a valuable record of institutional and local history, and evidence of popular cults, customs, and traditions.

More here  >http://en.wikipedia.org/wiki/Hagiography

Relating to Hagiography (pron.: /?hæ?i???r?fi/), from the Greek (h)a?ios (?γιος, “holy” or “saint”) and graph?in (γρ?φειν, “to write”), refers to the biographies of saints and ecclesiastical leaders. The term hagiology, the study of hagiography, is also current in English, although less common.
Christian hagiographies focus on the lives, and notably the miracles of men and women canonized by the Roman Catholic church, the Anglican Communion, the Eastern Orthodox Church, the Oriental Orthodox churches, and the Church of the East. Other religions such as Buddhism, Islam and Sikhism also create and maintain hagiographical texts (such as the Sikh Janamsakhis) concerning saints, gurus and other individuals believed to be imbued with sacred power.
The term “hagiography” has also been used as a pejorative reference to the works of biographers and historians perceived to be uncritical or “reverential” to their subject, and is arguably the more common usage in a non-specialist context. Nonetheless, hagiographic works, particularly those of the Middle Ages, can often incorporate a valuable record of institutional and local history, and evidence of popular cults, customs, and traditions.[1] http://en.wikipedia.org/wiki/Hagiography