milestone one

by L. Ron Hubbard

Here is the description of how Ron used the first E-meter to uncover and chart the "theta-line"

Unknown Binding

About the author

L. Ron Hubbard is universally acclaimed as the single most influential author and humanitarian of this modern age. His definitive works on the mind and spirit—comprising over 350 million copies in circulation and more than 40 international bestsellers—have resulted in a legacy benefiting millions and a movement spanning all cultures.