Order of Book Series
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I Am Number Four Books in Order

I Am Number Four by Pittacus Lore contains 4 books, published between 2012 and 2016. The first book is The Legacies (2012) and the newest is Zero Hour (2016). Publication order is the reading order below.

Books
4
Published
2012–2016
Confirmed
4 of 4 titles
Pages on record
1,225 in 3 of 4 books
Reading time
20–31 hours

Reading time is an estimate, not a recorded figure: 1,225 pages at 300 words a page, read at 200–300 words a minute, covering the 3 of 4 titles with a page count on record.

See all 4 books in order Printable I Am Number Four checklist

The I Am Number Four listing credits Pittacus Lore with 4 books published between 2012 and 2016: The Legacies (2012), Secret Histories (2013), Rebel Allies (2015) and Zero Hour (2016). Subjects attached to the books include extraterrestrial beings, imaginary wars and battles, friendship, schools, missing persons and Ohio, under science fiction, fantasy and children's fiction. The books are also tagged with the Lorien Legacies name. The series is listed as likely complete.

How many I Am Number Four books are there?

I Am Number Four has 4 books, released between 2012 and 2016.

I Am Number Four Books in Publication Order

The table lists all 4 I Am Number Four books in the order they were published, with the release year, the page count where one is on record, and how many independent book listings confirm each title. Catalogue data as of September 2026.

  1. Cover of The Legacies by Pittacus Lore, book 1 of the I Am Number Four series (2012)
  2. Cover of Rebel Allies by Pittacus Lore, book 3 of the I Am Number Four series (2015)
  3. Cover of Zero Hour by Pittacus Lore, book 4 of the I Am Number Four series (2016)
  1. 1
    The Legacies2012 · confirmed 3/4
    2012–
    Buy at Amazon USAmazon UK
  2. 2
    Secret Histories2013 · 406 pages · confirmed 3/4
    2013406
    Buy at Amazon USAmazon UK
  3. 3
    Rebel Allies2015 · 403 pages · confirmed 3/4
    2015403
    Buy at Amazon USAmazon UK
  4. 4
    Zero Hour2016 · 416 pages · confirmed 3/4
    2016416
    Buy at Amazon USAmazon UK

I Am Number Four Books in Chronological Order

By publication date, the I Am Number Four books run from The Legacies (2012) to Zero Hour (2016), the sequence in the table above. No separate story order is recorded for I Am Number Four in the book listings this catalogue merges, so publication order is the only order on record.

Do you have to read I Am Number Four books in order?

You should read the I Am Number Four books in publication order, the order of the numbered table above. The catalogue does not record whether each I Am Number Four book also stands alone.

What order should you read I Am Number Four books in?

Read them in publication order, starting with The Legacies (2012), the earliest published title. After it come Secret Histories (2013), Rebel Allies (2015) and Zero Hour (2016).

What is the newest I Am Number Four book?

Zero Hour (2016) is the newest I Am Number Four book released so far.

Is there a new I Am Number Four book coming?

No next I Am Number Four book is announced in the catalogue, which is a gap in the listings it merges rather than a sign that the run has ended.

I Am Number Four at a glance

No recent titles
The newest I Am Number Four title on record dates from 2016, 10 years ago. No later title is catalogued.
Release pace
I Am Number Four books have appeared about one a year on average.
Length
1,225 pages across the 3 of 4 books with a recorded length, a median of 406 pages each.
Busiest decade
Most I Am Number Four books, 4 of 4, were published in the 2010s.

What the I Am Number Four books are about

All 4 I Am Number Four books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: children's fiction is tagged on 4 of 4. The subjects are cataloguers’ headings, not a plot summary.

More books by Pittacus Lore

The author page linked below lists every book in publication order.

Characters in the I Am Number Four books

The character linked below has its own reading-order page.