Info mentioned in the podcast.
Here's Erin's Amazon page https://www.amazon.com/Erin-Sullivan/e/B000APF0U0/
Here's her website http://www.erinsullivan.com/
Here the first book she read (free download)
Astrology by Ronald Davidson
https://archive.org/details/astrologyronaldc00davi
The Modern Text Book of Astrology by Margaret Hone
http://amzn.to/2jDLmy8
Here are Erin's educational YouTube videos
The Signs
https://youtu.be/uchIJT6-rAM
The Planets
https://youtu.be/oC2seZDZ8-g
The Houses
https://youtu.be/4OE0vRcCVK8