The Dhatukatha is a Buddhist scripture, part of the Pali Canon

Pāli Canon

The Pāli Canon is the standard collection of scriptures in the Theravada Buddhist tradition, as preserved in the Pāli language. It is the only completely surviving early Buddhist canon, and one of the first to be written down...

 of Theravada

Theravada

Theravada ; literally, "the Teaching of the Elders" or "the Ancient Teaching", is the oldest surviving Buddhist school. It was founded in India...

 Buddhism, where it is included in the Abhidhamma Pitaka

Abhidhamma Pitaka

The Abhidhamma Pitaka is the last of the three pitakas constituting the Pali Canon, the scriptures of Theravāda Buddhism....

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Translation: Discourse on Elements, tr U Narada, 1962, Pali Text Society

Pali Text Society

The Pali Text Society was founded in 1881 by T.W. Rhys Davids "to foster and promote the study of Pali texts".Pali is the language in which the texts of the Theravada school of Buddhism is preserved...

http://www.palitext.com, Bristol

This book combines ideas from the two preceding abhidhamma books, the Dhammasangani

Dhammasangani

The Dhammasangani is a Buddhist scripture, part of the Pali Canon of Theravada Buddhism, where it is included in the Abhidhamma Pitaka.Translations:* A Buddhist Manual of Psychological Ethics, tr C. A. F...

 and Vibhanga

Vibhanga

The Vibhanga is a Buddhist scripture, part of the Pali Canon of Theravada Buddhism, where it is included in the Abhidhamma Pitaka. One known English translation is contained in The Book of Analysis, first published in 1969....

. It is in the form of questions and answers, grouped into 14 chapters by form. Thus the first chapter asks of each item covered, "In how many aggregates, bases and elements is it included?" Later chapters progress to more complex questions like "From how many aggregates etc. are the dhammas dissociated from the dhammas associated with it dissociated?"