When a boy goes missing and a policewoman starts drawing cave paintings, the Doctor suspects the Silurians are back. With the Brigadier distracted by questions about UNIT funding and problems at home, the Doctor swears his assistant Liz Shaw to secrecy and investigates alone.
Gary Russell was one of the script editing team for Doctor Who, Torchwood and The Sarah Jane Adventures, and is the author of many novels and reference books in the Doctor Who range. A former editor of Doctor Who Magazine, he also was the producer of Doctor Who audio dramas for Big Finish Productions for eight years. He lives in Cardiff.
