How spicy is each book in the Dark Olympus series?

smutrecs.com has rated 2 books in the Dark Olympus series by Katee Robert: Book 1, Neon Gods (4/5); Book 3, Wicked Beauty (about 5/5). Not listed here: Book 2.

1. 
   Book 1Neon Gods spice 4/5
2. 
   Book 3Wicked Beauty spice about 5/5

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