Gary Goldschneider books in order
10 books in the catalogue, about 93 hours of reading in all; the shortest takes 2 hours and the longest 17 hours.
10 standalone books in the catalogue.
Standalone books
The Secret Language of Birthdays 15.3 h 
The Secret Language of Relationships 15.0 h 
Secret Language of Birthdays Relationship Workbook and Birthday Keeper 2.4 h 
The Secret Language of Destiny (2 editions) 15.1 h 
The Astrology of Time 5.3 h 
Astrology of Time 5.1 h 
The Secret Language of Luck 5.1 h 
Personology 17.0 h 
Gary Goldschneider's Everyday Astrology 6.4 h 
The Astrology of You and Me 6.3 h