How spicy is each book in the Souls series?

smutrecs.com has rated 2 books in the Souls series by Harley Laroux: Book 1, Her Soul to Take (about 5/5); Book 2, Her Soul for Revenge (about 4/5).

1. 
   Book 1Her Soul to Take spice about 5/5
2. 
   Book 2Her Soul for Revenge spice about 4/5

Each book page lists the sources behind its ratings. Ratings marked "about" are estimates. How we rate