Are there any intro grammars for Koine that are as rigorous as Hansen and Quinn’s or Mastronarde’s are for Attic?
The thing that comes to mind is to take a regular introduction but go through it twice as fast as “normal.” 
Are there any intro grammars for Koine that are as rigorous as Hansen and Quinn’s or Mastronarde’s are for Attic?
The thing that comes to mind is to take a regular introduction but go through it twice as fast as “normal.”