Neil Lewis obtained his PhD degree at Pittsburgh, developing an interest in medieval philosophy. His research has focused on Robert Grosseteste and early thirteenth-century English philosophy. He is a core member of both the RRP and the Ordered University Project devoted to interdisciplinary study of Grosseteste's scientific works.Jennifer Ottman earned her PhD at Yale University. She has been associated with the RRP since 1999 and has served as Associate Editor since 2011. She is also a collaborating editor and translator for the Greystones Manuscript Project, which began work in 2011 on the theological writings of the early fourteenth-century English Benedictine Robert Greystones, a volume which was published in 2017.Rega Wood received her PhD from Cornell University. Since 1976, she has prepared critical editions of major works of medieval philosophy and theology, including works by Richard Rufus, John Duns Scotus, William Ockham, and Adam Wodeham. In 1984, she discovered previously unknown works by Richard Rufus of Cornwall and, since 2000, she has been the principal investigator of the Richard Rufus of Cornwall Project (RRP), which is devoted to the preparation of critical editions of the works of Richard Rufus of Cornwall.

Wood's introduction virtuously combines philosophical interpretation with the most recent acquisitions in codicology... The critical text appears to be very reliable, and is accompanied by an extensive and useful apparatus of sources and similar passages from Averroes and Richard's contemporary authors, especially English. Indexes of authors, sources and topics conclude the two volumes, which constitute a milestone in the studies of 13th-century philosophy.

• AbbreviationsIntroductionScriptum in MetaphysicamAristotelis: Libri PrincipalesBook VII (Zeta)Book VIII (Eta)Book IX (Theta)Book X (Iota)Book XI (Lambda)AppendixIndicesErrata

Neil Lewis obtained his PhD degree at Pittsburgh, developing an interest in medieval philosophy. His research has focused on Robert Grosseteste and early thirteenth-century English philosophy. He is a core member of both the RRP and the Ordered University Project devoted to interdisciplinary study of Grosseteste's scientific works.Jennifer Ottman earned her PhD at Yale University. She has been associated with the RRP since 1999 and has served as Associate Editor since 2011. She is also a collaborating editor and translator for the Greystones Manuscript Project, which began work in 2011 on the theological writings of the early fourteenth-century English Benedictine Robert Greystones, a volume which was published in 2017.Rega Wood received her PhD from Cornell University. Since 1976, she has prepared critical editions of major works of medieval philosophy and theology, including works by Richard Rufus, John Duns Scotus, William Ockham, and Adam Wodeham. In 1984, she discovered previously unknown works by Richard Rufus of Cornwall and, since 2000, she has been the principal investigator of the Richard Rufus of Cornwall Project (RRP), which is devoted to the preparation of critical editions of the works of Richard Rufus of Cornwall.

Wood's introduction virtuously combines philosophical interpretation with the most recent acquisitions in codicology... The critical text appears to be very reliable, and is accompanied by an extensive and useful apparatus of sources and similar passages from Averroes and Richard's contemporary authors, especially English. Indexes of authors, sources and topics conclude the two volumes, which constitute a milestone in the studies of 13th-century philosophy.

• AbbreviationsIntroductionScriptum in MetaphysicamAristotelis: Libri PrincipalesBook VII (Zeta)Book VIII (Eta)Book IX (Theta)Book X (Iota)Book XI (Lambda)AppendixIndicesErrata