At twenty hundred hours on Friday, 24th of December 2019, Pinewood Military Installation exploded.The blast ripped apart acres of forest and devastated the remote highland valley where the base was located. There were no survivors and no official cause was given for the incident.Inside Pinewood were 185 male and female military personnel - a mixture of scientists and soldiers. There were also seven teenagers.This is the story of their last day. Winner of the Royal Mail Award. Short-listed for the Waterstone's Children's Book Prize, The Angus Book Award, the South Lanarkshire Book Award, The RED Award and the Stockport Book Prize.