This is a set offering the Springer books “Alessandro Piccolomini’s Early Astronomical Works: I. An Exploration of Their Cultural Significance” (ISBN 978-3-031-56785-8) and “Alessandro Piccolomini’s Early Astronomical Works: II. An Examination of Their Scientific Content” (ISBN 978-3-031-56329-4).

They present the first detailed scientific examination of Alessandro Piccolomini’s two early astronomical works – De la Sfera del Mondo and De le Stelle Fisse .