Revival of Planetary Astronomy in Carolingian and Post-Carolingian Europe

This title was first published in 2002: Before the introduction of Greco-Arabic mathematical astronomy in the 12th century, what astronomy was there in the medieval West? While we know of developments in computus, which calculated with solar and lunar cycles to create Christian calendars, and in monastic time-telling by the stars, was anything known of the five planets? Using glosses, commentaries...