Franks, Cumans and Manicheans (1108-1115). Book 15 addresses the last expeditions -- The Bogomils -- Death of Alexios (1116-1118).

3. Pecheneg incursions on the northern Byzantine frontier (Books 7-8)

:Book 8 addresses the end of the Scythian war (1091) and plots against the Emperor.

4. The First Crusade and Byzantine reactions to it (Books 10-11)

:Book 11 also addresses the First Crusade (1097-1104).