LaGrange Five, by Mack Reynolds (Epub/Kindle)
Rex Bader is a private investigator from earth who is called to Island Three at the LaGrange Point to solve the mystery of the missing professor and father of the entire LaGrange Point project. At the same time as the investigation, the cases of Wide Syndrome (a contagious kind of claustrophobia) are on the increase and there are talks of revolution. Who is behind all three scenarios and what can Rex do to save the day?