From publisher blurb:
Ghosts – The Incorporeal Undead includes everything needed to develop and use ghosts in your Labyrinth Lord campaign.
Deadly Details on Fear Attacks and Life Draining Touch!
Eerie Information on the Incorporeal powers of ghosts and other Undead Special Abilities!
Full disclosure on the Sinister Sixth Sense, Scary Sensitives, and Mysterious Mediums!
Ten different base ghostly types, covering each hit die from 1 to 10 hit dice, with countless thousands of combinations of 75 different ghostly special abilities!
Secrets of the uses and dangers of Uncanny Ectoplasm!
An expose of Eerie Enchanted Items!
Scads of rulings on Spooky Spells, new and old!
And a (relatively complete) Creepy Appendix N!
What more can you ask for?