I can't recommend books to remedy your issue but I will try remedy you myself. Maybe that's because in fact you are always speaking in a high mental pressure and after several minutes,your doapmines eventually secrete in the proper amount to make your [stutter.To](https://stutter.To) recap,your tending to speak with high mental pressures make you stutter finally. But I can conclude you are not a severe or even moderate PWS though.Moderate and severe PWS tend to stutter even at the beginning of random speeches and you are not that terrible.And you can try cognitive therapies or you can check this website out. Hope I can help you :) : [https://www.changingstates.co.uk/behavioural\_approaches.html](https://www.changingstates.co.uk/behavioural_approaches.html)