The Eye of
'The Eye of the Giant', written by Christopher Bulis, features the Third Doctor, Liz, and UNIT.
Back Cover Blurb
'I might have known it,' the Brigadier said tersely. 'The Doctor and Miss Shaw have managed to lose themselves on an island that doesn't exist.'
1934: Salutua, a legedary lost island in the Pacific. Millionaire Marshal J Grover's expedition arrives to uncover and exploit its secrets. Bu the task is complicated by a film star's fears and ambitions and a scientist's lethal obsession.
Nearly forty years later: UNIT headquarters, London. The Doctor and Liz Shaw are asked to identify a mysterious artifact and trace its origin. The trail leads them back in time to Salutua and a gigantic discovery. Meanwhile, the Brigadier faces an epidemic of UFO sightings and supernatural occurrences that threaten to bring about global panic. Only the Doctor can help him - but he's trapped on a mythical island four decades in the past.