iphone Audio Book Reader

I am using my iPhone to listen to audio books. When the iPhone stays on, I can stop listenting and when I restart it remembers which file I was last listening to, and where in that file I was. However, whenever I turn off the iPhone, it forgets where in an audio file I stopped listening; I have to manually fast forward to where I was.

Is there a way to get the media player to remember where in a file I was when turning off the iphone, or is there a different player software that could do that for me?

There's a setting in iTunes to remember position…

Select all chapters, or books etc.
Get Info Cmd ⌘ i > Options tab.