The 100: The 13 Clans series book 1(War within)
The book takes place on an alternate timeline, where Lexa didn't take the deal to free her own people that caused Clarke to kill the Mountain Men, The plan went accordingly. Bellamy lead his people to Arkadia. Clarke and Raven stayed at Polis to ensure peace lasted. At the end of Season 2, Jaha was killed on the life...