Volume 2.3, containing the Greek translations of books II-IV, completes the edition of the Conica of Apollonius of Perga. It is arranged according to the same principle as the previous volume on book I: the critical edition of the Greek text is accompanied by numerous notes and a lexicon of all mathematical terms. An introduction and a French translation provide further insights into the text. The edition of the Greek books of the Conica will be...