Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | The Secret Network | 2021 | Linda Warren | Buy |
| 2 | Unlikely Alibi | 2021 | Linda Warren | Buy |
| 3 | Undercover Heat | 2021 | Linda Warren | Buy |
| 4 | Soldier’s Return | 2021 | Linda Warren | Buy |
| 5 | Hidden Target | 2021 | Linda Warren | Buy |
| 6 | Guardian in the Storm | 2021 | Linda Warren | Buy |
| 7 | Secret Defender | 2021 | Linda Warren | Buy |
| 8 | Temptation Undercover | 2021 | Linda Warren | Buy |
| 9 | Forged in Fire | 2021 | Linda Warren | Buy |
| 10 | Desperate Ransom | 2021 | Linda Warren | Buy |
| 11 | Secret Alibi | 2021 | Linda Warren | Buy |
| 12 | Colton 911: Secret Alibi | 2021 | Linda Warren | Buy |
| 13 | Under Suspicion | 2021 | Linda Warren | Buy |
Colton 911: Chicago is part of Harlequin’s popular Colton family franchise, a multi-author romantic suspense universe that spans dozens of series. This Chicago-set installment features 13 books published in 2021, all following different Colton family members.
Each book combines a suspenseful plot — undercover operations, hidden targets, secret networks — with a romance between a Colton and their love interest.