How spicy is each book in the L.O.R.D.S series?

smutrecs.com has rated 2 books in the L.O.R.D.S series by Shantel Tessier: Book 1, The Ritual (about 4–5/5); Book 4, Sabotage (5/5). Not listed here: Book 2 and Book 3.

1. 
   Book 1The Ritual spice about 4–5/5
2. 
   Book 4Sabotage spice 5/5

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