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Cover of Key of Light

Key Trilogy books in order A series by Nora Roberts

The Key Trilogy series by Nora Roberts has 3 books, from Key of Light (2003) to Key of Valor (2004). Read it in order, starting with Key of Light.

Reading order: 1 Key of Light (2003) · 2 Key of Knowledge (2003) · 3 Key of Valor (2004)

Updated September 2026

All 3 Key Trilogy books in order

  1. 1.

    Key of Light (2003)

    352 pages★ 3.4 (5 ratings)

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  2. 2.

    Key of Knowledge (2003)

    347 pages★ 4.2 (5 ratings)

    Buy
  3. 3.

    Key of Valor (2004)

    Buy

Key Trilogy FAQ

How many Key Trilogy books are there?
There are 3 Key Trilogy books, as of September 2026.
What order should I read the Key Trilogy books in?
In publication order, starting with Key of Light (2003): 1 Key of Light (2003) · 2 Key of Knowledge (2003) · 3 Key of Valor (2004).
What is the first Key Trilogy book?
Key of Light (2003).
What is the latest Key Trilogy book?
Key of Valor (2004).
Is the Key Trilogy series finished?
There have been no new Key Trilogy books since 2004.
Did Nora Roberts write other series?
Yes: Irish Hearts, The MacGregors, The Stanislaskis or Those Wild Ukrainians, The Calhoun Women and The Donovan Legacy.

More series by Nora Roberts

All Nora Roberts books

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