Here is a list of essential books to read on your third eye journey.
Jo Durden Smith: Nostradamus and Other Prophets and Seers
Philip Gardiner & Gary Osborn: The Shining Ones
Anthony Peake: Daemon
Gary Wayne: The Genesis 6 Conspiracy
Neil Sanders: Your Thoughts are Not Your Own
J.S.Gordon: The Path of Initiation
Eliphas Levi: The Mysteries of Magic