“Letter from Mr. Smith – Secret Desires – Part 4 “ is a steamy romance book and a new chapter of Miss. G erotic adventure. Although she is still very angry with Mr. Smith, she realizes that he is the only person in the world who can make her feel happy and alive. Alex decides to play games with him by getting him to join her in fulfilling Katerina and Tony’s secret and dirty wishes.Finally, something exciting that will change their boring daily lifes. They start to play dirty games with each other and they both didn’t want to admit it that they are made for each other.Alex understands that this is the beginning of a new adventure for her and she thinks that this new adventure could not be dirtier than the last one she had gone through, but as always, she is wrong.