Order of Book Series
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Guardian Agency Books in Order

Guardian Agency by Regan Black contains 11 books, published between 2015 and 2021. The first book is Mike / Too Far Gone (2015) and the newest is Undercover Holiday (2021). Publication order is the reading order below.

Books
11
Published
2015–2021
Pages on record
280 in 1 of 11 books
See all 11 books in order Printable Guardian Agency checklist

Regan Black is the author of Guardian Agency, a series of 11 books dated 2015 to 2021. Mike / Too Far Gone (2015) is listed first, and Nathan / Nothing to Lose shares that year. Mike, Dallas and Colin carry 2019 dates, and Tyler, Swann and Logan 2020. Undercover Guardian, Undercover Boyfriend and Undercover Holiday (2021) are the newest. The median book runs to 280 pages.

How many Guardian Agency books are there?

Guardian Agency has 11 books, released between 2015 and 2021.

Guardian Agency Books in Publication Order

The table lists all 11 Guardian Agency 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 Mike by Regan Black, book 4 of the Guardian Agency series (2019)
  1. 2
    Mike / Too Far Gone2015 · confirmed 1/4
    2015–
    Buy at Amazon USAmazon UK
  2. 3
    Nathan / Nothing to Lose2015 · confirmed 1/4
    2015–
    Buy at Amazon USAmazon UK
  3. 4
    Mike2019 · 280 pages · confirmed 1/4
    2019280
    Buy at Amazon USAmazon UK
  4. 5
    Dallas2019 · confirmed 1/4
    2019–
    Buy at Amazon USAmazon UK
  5. 6
    Colin2019 · confirmed 1/4
    2019–
    Buy at Amazon USAmazon UK
  6. 7
    Tyler2020 · confirmed 1/4
    2020–
    Buy at Amazon USAmazon UK
  7. 8
    Swann2020 · confirmed 1/4
    2020–
    Buy at Amazon USAmazon UK
  8. 9
    Logan2020 · confirmed 1/4
    2020–
    Buy at Amazon USAmazon UK
  9. 10
    Undercover Guardian2021 · confirmed 1/4
    2021–
    Buy at Amazon USAmazon UK
  10. 11
    Undercover Boyfriend2021 · confirmed 1/4
    2021–
    Buy at Amazon USAmazon UK
  11. 12
    Undercover Holiday2021 · confirmed 1/4
    2021–
    Buy at Amazon USAmazon UK

Is there a chronological order for Guardian Agency?

No separate chronological order is on record for Guardian Agency, because none of the book listings this catalogue draws on publishes one; the publication order above is the only order given.

Do you have to read Guardian Agency books in order?

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

Where to start with Guardian Agency

Start with Mike / Too Far Gone (2015), the earliest published title.

What is the newest Guardian Agency book?

Undercover Holiday (2021) is the newest Guardian Agency book released so far.

Is there a new Guardian Agency book coming?

No next Guardian Agency book is announced in the catalogue, which is a gap in the listings it merges rather than a sign that the run has ended.

Guardian Agency at a glance

Paused
No new Guardian Agency title has appeared for 5 years. The last was published in 2021.
Release pace
Guardian Agency books have appeared more than one a year on average.
Length
280 pages across the 1 of 11 books with a recorded length, a median of 280 pages each.
Busiest decade
Most Guardian Agency books, 6 of 11, were published in the 2020s.

More books by Regan Black

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

Other series by Regan Black

Each series linked below has its own reading-order page.