UNACO Books in Order

Alistair MacLean has written 10 UNACO books, published between 1980 and 1998. The first book is Hostage Tower (1980) and the newest is Borrowed Time (1998). Publication order is the reading order below.

Books
10
Published
1980–1998
Confirmed
10 of 10 titles
Pages on record
2,056 in 7 of 10 books
Reading time
34–51 hours

Reading time is an estimate, not a recorded figure: 2,056 pages at 300 words a page, read at 200300 words a minute, covering the 7 of 10 titles with a page count on record.

UNACO, the United Nations Anti-Crime Organisation, is an imaginary agency at the centre of 10 action thrillers published between 1980 and 1998 under the Alistair MacLean name. Recorded subjects include terrorism, assassins, criminals, ciphers and espionage. Hostage Tower (1980) opens the run, followed by Air Force One Is Down (1981), Death Train (1988), Night Watch (1989), Red Alert (1990), Time of the Assassins (1991), Code Breaker (1993) and Prime Target (1997). Borrowed Time closed the sequence in 1998.

How many UNACO books are there?

UNACO has 10 books, released between 1980 and 1998.

UNACO Books in Publication Order

The table lists all 10 UNACO 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. 1
    Hostage TowerAlistair MacLean's UNACO #11980 · confirmed 3/4
    1980
  2. 2
    Air Force One Is DownAlistair MacLean's UNACO #21981 · 224 pages · confirmed 3/4
    1981224
  3. 3
    Death TrainAlistair MacLean's UNACO #31988 · confirmed 3/4
    1988
  4. 4
    Night WatchAlistair MacLean's UNACO #41989 · 320 pages · confirmed 3/4
    1989320
  5. 5
    Red AlertAlistair MacLean's UNACO #51990 · 376 pages · confirmed 3/4
    1990376
  6. 6
    Time of the AssassinsAlistair MacLean's UNACO #61991 · confirmed 3/4
    1991
  7. 7
    Dead HaltAlistair MacLean's UNACO #71992 · 288 pages · confirmed 3/4
    1992288
  8. 8
    Code BreakerAlistair MacLean's UNACO #81993 · 394 pages · confirmed 3/4
    1993394
  9. 9
    Prime TargetAlistair MacLean's UNACO #91997 · 240 pages · confirmed 3/4
    1997240
  10. 10
    Borrowed TimeAlistair MacLean's UNACO #101998 · 214 pages · confirmed 3/4
    1998214

Do you have to read UNACO books in order?

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

Where to start with UNACO

Start with Hostage Tower (1980), the earliest published title.

What is the newest UNACO book?

Borrowed Time (1998) is the newest UNACO book released so far.

Is there a new UNACO book coming?

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

UNACO at a glance

No recent titles
The newest UNACO title on record dates from 1998, 28 years ago. No later title is catalogued.
Release pace
UNACO books have appeared about one every 2 years on average.
Length
2,056 pages across the 7 of 10 books with a recorded length, a median of 288 pages each.
Busiest decade
Most UNACO books, 6 of 10, were published in the 1990s.

What the UNACO books are about

8 of the 10 UNACO books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: action & adventure is tagged on 4 of 8. The subjects are cataloguers’ headings, not a plot summary.

More books by Alistair MacLean

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