The hymn Nrusimha dvadashana nama stotra, the twelve-name hymn of lord narasimha is a traditional short and powerful hymn of lord narasimha, (said to be found in some manuscripts of brahma purana) the hymn praises the lord with twelve epithets praising his various glorious qualities,
This hymn is recited by devotees of vishnu of various schools.
This book is a short translation of the hymn in simple english.
By chanting this hymn with devotion, one van please lord narasimha and get his protection from diseases enemies and all kinds of negativity. ( as quoted in the phala shruti of the hymn)