Are you under the impression that authors create indexes? Because generally, they do not. Specialists do it (because it's way harder than it looks). Some aca

Are you under the impression that authors create indexes? Because generally, they do not. Specialists do it (because it's way harder than it looks). Some academic publishers might ask the author to pay for that work; bigger publishers might absorb it. But I can't imagine any respectable publisher accepting an index from an author who did it themselves.