The Almagest: A Manual for Ptolemy

Epicycles 0.5 Mini Almagest
Ptolemy 0.6 Micro Almagest

Mr. Ptolemy Volume I
Ptolemy 0.7 User's Manual

Angles Volume II
Ptolemy 0.7 Programmer's Manual

Astro Volume III
Ptolemy 0.7 Kernel Manual

In Ptolemy0.5.2, the Star Atlas was Volume II. In Ptolemy0.6 and later, there is no Star Atlas.