"Dark Inside" is a young adult dystopian novel by Jeyn Roberts, published in 2011. The book is set in a world where an unknown force, known as the "Darkness," has caused people to turn violent and attack each other. The story follows four teenagers - Aries, Clementine, Michael, and Mason - who must navigate the dangerous and chaotic world while trying to survive and find a way to stop the Darkness. Along the way, they encounter other survivors, including both allies and enemies, and face challenges such as scarcity of resources, betrayal, and the psychological toll of living in a world filled with violence and uncertainty. The book is notable for its fast-paced and suspenseful storytelling, as well as its exploration of themes such as the nature of evil, the importance of community and empathy, and the resilience of the human spirit in the face of adversity.