Start with high-confidence service industry books, then narrow by subgenre or adjacent topics.
Built to Last
Jim Collins, Jerry I. Porras
Competing Against Luck
Clayton M. Christensen, Karen Dillon
Excellence Wins
Horst Schulze, Dean Merrill
Competitive Strategy
Michael E. Porter
GATS 2000
Pierre Sauve, Pierre Sauveu
Sunshine Jobs
Tom Stienstra
This Is Service Design Thinking
Marc Stickdorn, Jakob Schneider
The Food and Beverage Magazine Guide to Restaurant Success
Michael Politz
Banking As a Service
Jason Mikula
Trading Up
Michael J. Silverstein, Neil Fiske
The Law (in Plain English) for Restaurants
Leonard D. DuBoff, Christy A. King
The Boutique
Greg Alexander
Inside the Magic Kingdom
Tom Connellan