Short stories that are bigger on the inside. Tracking three extraordinary short adventures from across the Whoniverse, The Triple Knife is the first Doctor Who story collection by Sunday Times bestselling author Jenny T Colgan. Ashildr, a young Viking girl, died bravely helping the Doctor save the village she loved - so the Doctor used alien technology to bring her back to life. Ashildr became immortal and, since that day, has kept journals...