Here is a list of the 10 most checked-out Adult Fiction titles of 2018.
| Title | Author | Number of times checked out | |
| 1 | The Great Alone | Kristen Hannah | 51 |
| 2 | The Woman in the Window | A.J. Finn | 47 |
| 3 | The Fallen | David Baldacci | 44 |
| 4 | Before We Were Yours | Lisa Wingate | 39 |
| 5 | Little Fires Everywhere | Celeste Ng | 37 |
| 6 | A Gentleman In Moscow | Amor Towles | 34 |
| 7 | Behold the Dreamers | Imbolo Mbue | 33 |
| 8 | Princess | James Patterson | 32 |
| 9 | The 17th Suspect | James Patterson | 32 |
| 10 | The President is Missing | Bill Clinton | 29 |
Here are the most checked-out authors of 2018.
| Adult Fiction Authors | ||
| Author | Number of Checkouts for All Titles | |
| 1 | James Patterson | 504 |
| 2 | Danielle Steel | 172 |
| 3 | Michael Connelly | 162 |
| 4 | Stephen King | 161 |
| 5 | David Baldacci | 134 |
| 6 | Debbie Macomber | 114 |
| 7 | Stuart Woods | 111 |
| 8 | Nora Roberts | 104 |
| 9 | Kristin Hannah | 94 |
| 10 | Mary Higgins Clark | 91 |