How many Maximum ride books are there?

There are now currently 9 books in the Maximum Ride series:

The Angel Expiriment

School's Out Forever

Saving The World and Other Extreme Sports

The Final Warning

Max

Fang

Angel

Nevermore

and Maximum Ride Forever

Just last year, the author of the Maximum Ride series came out with a new book titled Hawk.

SPOILER:

The book is about Max's daughter, Phoenix, who takes on a new name and appearance.

The book came out in 2020, and the flock is a lot older (For sure ages are unknown, but you may be able to do the math. Max was in prison for ten years, and when she had been imprisoned, Angel had been 10. When Angel was 7, Max was fifteen, 15 + 3 = 18, plus Max's 10 years in prison = 28, so I say Max is in her upper twenties, lower to mid thirties.)

That is all.