Ly (pronounced li) de Angeles was first published in 1987, and she has had six books released worldwide to date. She has an international reputation as a psychic, teaches and lectures on many associated subjects, is an exponent of several martial arts and, currently, is an accredited Sensei in the art of Iaido, the Japanese art of the sword.

Ly's main area of study over the past twenty years has been the history of the usurpation of indigenous people through invasion and subsequent colonization (mainly since the Roman Empire) and the history and mythology of Ireland and Britain in particular. She is known to be very outspoken on matters pertaining to the sustainability and guardianship of Earth and the rights of all species to self-determination.

Ly has three adult children and a strong magical clan. She has lived in Byron Bay, Australia for the past 14 years. An initiated witch for over thirty years, she is High Priestess of the Coven of WildWood Gate.