Modified from Final Fantasy wiki:
Final Fantasy XIII-2 Fragments Before is a full length novel which takes place immediately before the events of Final Fantasy XIII-2 and contains several stories revolving around characters such as Serah, Snow, Noel, and Rygdea and Bartholomew Estheim. It will be followed by the sequel "Fragments After"
Part 1: Imagnary and Real: Serah AF0
Part 2: Teacher & children: A story of the year AF3.
Part 3: Friend & foe: The story of Snow's departure and journey.
Part 4: Fair & Foul: The creation of a provisional government, and the secret history of the founding of the Academy.
Part 5: Someday & somewhere: The story of Noel's childhood.
Images and link to full document behind cut, no actual spoilers beneath: