2x! What kind of books are you reading? I have gone as far as 1.4-1.5x, but that feels about the best I can do without having to be laser focused on just listen

2x! What kind of books are you reading? I have gone as far as 1.4-1.5x, but that feels about the best I can do without having to be laser focused on just listening (ie not doing chores or other minor activities as is my habit).