Book of Aztec Bonus Buy Review
Book of Aztec Bonus Buy is the classic book game set in the Aztec Empire, with the bonus for sale.
5×3 grid
Book of Aztec Bonus Buy plays on a 5×3 grid with 10 fixed lines, paying from left to right.
Book of Aztec Bonus Buy Features
Book
The book is wild and scatter, paying for three, four or five anywhere.
Bonus spins
Three or more books award 10 bonus spins with a random expanding symbol (never the book). Spins can be retriggered.
Bonus buy
The bonus can be bought; GrandX doesn't state the price.
RTP
GrandX doesn't list an RTP for this game, so it is unconfirmed here. Amatic games can run at different RTP settings; the game's info screen shows the one in use.
Book of Aztec Bonus Buy Pros and Cons
Strengths
- Bonus buy
- Expanding symbol
- High volatility
Limitations
- Only 10 lines
- No published RTP
Our Verdict
Book of Aztec Bonus Buy is for players who want the book bonus without waiting; Book of Aztec Select lets you choose the symbol instead.
Book of Aztec Bonus Buy FAQs
Can the bonus be bought?
Yes.
How many lines does Book of Aztec Bonus Buy have?
10 fixed lines.
What is the RTP?
It isn't published on GrandX; check the info screen in the game.
Sources and game-version notes
Information checked 1 November 2026.
Layout, lines, volatility and feature rules come from the game's page on GrandX, Amatic's online casino brand, checked on 1 November 2026. The page doesn't state an RTP, so it is marked unconfirmed; check the info screen in the demo.