A group of palaeontologists have been savagely attacked while carrying out a study of fossilised dinosaur remains in an underground cave system on twenty-fifth century Earth. A party of troopers and Professor Kyle, the only survivor of the attack, are investigating the deaths of her colleagues when they discover the Doctor and his companions at the site of the massacre. The time-travellers are immediately suspected. In trying to establish their innocence and find out who - or what - was responsible for the killings, the Doctor is confronted by an old enemy.

On the serene planet Deva Loka, an expeditionary force from Earth is dangerously out of control. It's not only the peaceful race of the Kinda who are at risk. A gentle stroll in the lush jungle leads the Doctor and Adric to an unexpected confrontation - and puts them at the mercy of a maniac. But it is Tegan, lulled to sleep by mysterious wind-chimes, who comes closest to a danger than threatens not only her sanity but the existence of the whole planet.

Mud, barbed wire, the smell of death.... The year is 1917 and the TARDIS has materialised on the Western Front during the First World War. Or has it? For very soon the Doctor finds himself pursued by the soldiers of Ancient Rome; and then he and his companions are reliving the American Civil War of 1863. And is this really Earth, or just a mock-up created by the War Lords?

Matthew Waterhouse reads this classic novelisation of a Fourth Doctor TV adventure.The Doctor, Romana and K9 are heading for Gallifrey when they temporarily lose control of the TARDIS. The significance of this event is only revealed when they land, not on Gallifrey but on Alzarius. The planet's legendary Mistfall is approaching, a time when giant scaly creatures emerge from the swamps and go on the rampage, leaving a trail of death and destruction in their wake.

An unabridged reading of the 7th Doctor novel by Paul Cornell, which formed the basis for the 10th Doctor television story "Human Nature/The Family of Blood". Hulton College in Norfolk is a school dedicated to producing military officers. With the First World War about to start, the boys of the school will soon be on the front line. But no one expects a war - not even Dr. John Smith, the college’s new house master. The Doctor’s friend, Benny, is enjoying her holiday in the same town.