Start with high-confidence greek history books, then narrow by subgenre or adjacent topics.
Creators, Conquerors, and Citizens
Robin Waterfield
Ancient Greece
DK, D.K. Publishing
The Spartans
Paul Cartledge
National Geographic the Greeks
Diane Harris Cline
The Shortest History of Greece
James Heneage
The Cyclades
John Freely
Sparta
Andrew Bayliss
