Translation by Henricus Aristippus, Eugene the Emir, and another anonymous translator.

The book contains a translation and study of Euclid's Phaenomena, a work which once formed part of the mathematical training of astronomers from Central Asia to Western Europe.

"The book includes introductions, terminology and biographical notes, bibliography, and an index and glossary" --from book jacket.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations.

In 1482 the first printed edition of Euclid's Elements appeared in the redaction of Campanus, which was also the first printed mathematical book of any importance.