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Cover of The Hidden Oracle

Trials of Apollo books in order A series by Rick Riordan

The Trials of Apollo series by Rick Riordan has 5 books, from The Hidden Oracle (May 2016) to The Tower of Nero (Oct 2020). Read it in order, starting with The Hidden Oracle.

Reading order: 1 The Hidden Oracle (2016) · 2 The Dark Prophecy (2017) · 3 The Burning Maze (2018) · 4 The Tyrant's Tomb (2019) · 5 The Tower of Nero (2020)

Updated September 2026

All 5 Trials of Apollo books in order

  1. 1.

    The Hidden Oracle (May 2016)

    384 pages★ 4.5 (61 ratings)

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  2. 2.

    The Dark Prophecy (May 2017)

    432 pages★ 4.6 (36 ratings)

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  3. 3.

    The Burning Maze (May 2018)

    448 pages★ 4.4 (14 ratings)

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  4. 4.

    The Tyrant's Tomb (Sep 2019)

    448 pages★ 4.4 (19 ratings)

    Buy
  5. 5.

    The Tower of Nero (Oct 2020)

    416 pages★ 4.6 (25 ratings)

    Buy

Trials of Apollo FAQ

How many Trials of Apollo books are there?
There are 5 Trials of Apollo books, as of September 2026.
What order should I read the Trials of Apollo books in?
In publication order, starting with The Hidden Oracle (May 2016): 1 The Hidden Oracle (2016) · 2 The Dark Prophecy (2017) · 3 The Burning Maze (2018) · 4 The Tyrant's Tomb (2019) · 5 The Tower of Nero (2020).
What is the first Trials of Apollo book?
The Hidden Oracle (May 2016).
What is the latest Trials of Apollo book?
The Tower of Nero (Oct 2020).
Is the Trials of Apollo series finished?
There have been no new Trials of Apollo books since 2020.
Did Rick Riordan write other series?
Yes: Tres Navarre, Percy Jackson and the Olympians, Percy Jackson & the Olympians, The 39 Clues and Heroes of Olympus.

More series by Rick Riordan

All Rick Riordan books

Sources: series order and dates from Wikidata and Open Library. Last updated September 2026.