There are 5 books in the Trials of Apollo series. The newest book is The Tower of Nero which came out in 2020.

1
The Hidden Oracle

Book cover of The Hidden Oracle

The latest series from international bestselling author, Rick Riordan

He was once an immortal God. Now, he's a teenage boy called Lester.

Apollo has angered his father Zeus for the last time.

So, how do you punish an immortal?

By making him human. Obviously.

Cast down from Olympus, he's weak,…

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2
The Dark Prophecy

Book cover of The Dark Prophecy

The second title in Rick Riordan's Trials of Apollo series - set in the action-packed world of Percy Jackson.

The god Apollo, cast down to earth and trapped in the form of a gawky teenage boy as punishment, must set off on the second of his harrowing (and hilarious) trials.…

3
The Burning Maze

Book cover of The Burning Maze

The third book in the latest series from international bestselling author, Rick Riordan

He was a God once. Until he was cast out his father, Zeus. Now, he's an awkward teenager. Called Lester.

The only way out is a series of scary and dangerous trials, of course.

For his third…

4
The Tyrant's Tomb

Book cover of The Tyrant's Tomb

The fourth book in Rick Riordan's The Trial of Apollo series. The bestselling top 10 hardback, now available in paperback!

Things are getting very bad, very fast, for Apollo . . .

The former God Apollo is having a pretty rough time of it. Well, for one thing, he's been…

5
The Tower of Nero

Book cover of The Tower of Nero

It's time to face the final trial . . .

The battle for Camp Jupiter is over. New Rome is safe. Tarquin and his army of the undead have been defeated. Somehow Apollo has made it out alive, with a little bit of help from the Hunters of Artemis.

But…