Efraim Turban books in order
7 books in the catalogue, about 89 hours of reading in all; the shortest takes 8 hours and the longest 16 hours.
7 standalone books in the catalogue.
Standalone books
Fundamentals of Management Science 15.1 h 
Decision Support and Expert Systems 15.5 h 
Decision Support Systems and Intelligent Systems 16.3 h 
Information Technology for Management 8.4 h 
Introduction to Information Technology 10.1 h 
Business Intelligence, Analytics, and Data Science 8.5 h 
Analytics, Data Science, & Artificial Intelligence 15.3 h