Alone - Volume 4 - The Red Cairns

The five children, now accompanied by several dissidents from the Clan of the
Shark, have returned to Campton, where Ivan found some clues about the night
of the Vanishing. One evening, as they are discussing the organisation of
their new camp, the Master of Knives comes to ask for their help ... and
collapses, gravely injured. Searching the city for what attacked him, the
children are stunned to discover huge piles of objects covered in red paint…