Woman needs to spend a month at spanking centre

Hi everyone, a few months back I had read the description of a book on Amazon. In the book, a woman is left a huge fortune by her aunt but the condition is that she has to spend a month at a spanking centre to receive that fortune. I cannot find the book and do not remember it's title.

PS - Please do not confuse this with the Inheritance writing challenge as this book is different and not from that challenge.