The books in The Naturals series must be read in chronological order, which coincides with their publication order, by following this sequence:[2-3]
| Order | Cover | Title | First published | Notes |
|---|---|---|---|---|
| 1 |
|
The Naturals | 2013[2][9] | Introduces Cassie, the team, and the case behind her recruitment. |
| 2 |
|
Killer Instinct | 2014[2][10] | Builds on the program’s first case and expands Dean’s connection to serial-killer profiling. |
| 3 |
|
All In | 2015[11-12] | Expands the mystery around Cassie’s mother and reveals a threat. |
| 4 |
|
Bad Blood | 2016[11][13] | Continues the Masters storyline and resolves major long-running threads. |
| 5 |
|
Twelve | 2017[3] | Follows the team after the main confrontation. |
1. The Naturals
The Naturals (2013)[2][9] introduces Cassandra Hobbes, a teenager whose instinctive ability to read people draws the attention of a secret FBI training program. This novel establishes the Quantico house, the gifted teenage team, their adult supervisors, and the boundary between cold-case training and active danger.[4]
It also marks the beginning of Cassie’s personal search for the truth about her mother’s disappearance.[4]
2. Killer Instinct
Killer Instinct (2014)[2][10] continues with Cassie inside the Naturals program as the group confronts a case linked to Dean Redding’s father. This book keeps the team within the FBI structure while testing the limits placed on their work.[5]
Its investigation expands the emotional and procedural consequences of the first novel, especially around Dean, Cassie, and the program’s future.[5]
3. All In
All In (2015)[11-12] moves the Naturals into a Las Vegas investigation involving a pattern of ritualized killings. The case broadens the series beyond individual killers by introducing a longer-running organization and tying that threat to Cassie’s missing mother.[6]
It also gives Sloane a more personal connection to the setting while pushing the series toward a larger continuing conflict.[6]
4. Bad Blood
Bad Blood (2016)[11][13] follows from the revelations in All In, as Cassie and the team pursue the Masters and the truth about Lorelai Hobbes. This book draws together the cult storyline, Cassie’s family history, and the vulnerabilities of the Naturals program.[7]
It is the culmination of the principal arc established across the first four books.[7]
5. Twelve
Twelve (2017)[3] takes place after the main events of Bad Blood, with the team separated between Colorado and Quantico but still connected through the Naturals program. This story centers on a new case involving Mackenzie McBride, a girl Cassie previously helped rescue.[8]
It works as a later continuation that assumes familiarity with the team’s abilities, relationships, and accumulated trauma.[8]
References
- The Naturals. Hachette Book Group.
- The Naturals. Jennifer Lynn Barnes.
- Twelve by Jennifer Lynn Barnes. Hachette Book Group.
- The Naturals. Little, Brown Books for Young Readers. ISBN: 9780316540629.
- Killer Instinct. Little, Brown Books for Young Readers. ISBN: 9780316540728.
- All In. Little, Brown Books for Young Readers. ISBN: 9781484716434.
- Bad Blood. Little, Brown Books for Young Readers. ISBN: 9781484757321.
- Twelve. Little, Brown Books for Young Readers. ISBN: 9781368021302.
- The Naturals by Jennifer Lynn Barnes. Hachette Book Group.
- Killer Instinct by Jennifer Lynn Barnes. Hachette Book Group.
- The Naturals. Jennifer Lynn Barnes.
- All In by Jennifer Lynn Barnes. Hachette Book Group.
- Bad Blood by Jennifer Lynn Barnes. Hachette Book Group.