The puggaia-Pannatti is a book of practical psychology and is a book of immense importance for knowing the human types. It different from the other books of the abhidhamma-Pitaka, both in language and style. It is entirely devoted to giving description of the human types from several standpoints and proceeds in the form of questions and answers. The book is introduced with the establishment to six Matikas enumerating six kinds of descriptions, such as the ...