Bad Blood

The Naturals: Bad Blood is the fourth book in Jennifer Lynn Barnes’s Naturals series, a young adult mystery thriller centered on Cassie Hobbes and the FBI’s Naturals program. The book follows Cassie and her team as they confront a dangerous mystery tied to a secretive group with a long history of violence, bringing the series’ central investigation toward its conclusion. Retail listings describe it as a cold-case mystery and note that it is a paperback edition published in 2024. The story is positioned as a fast-paced, high-stakes thriller with strong appeal for readers who enjoy puzzle-driven crime fiction and psychological suspense. Sources identify the author as Jennifer Lynn Barnes and confirm the ISBN 9781786542281, with Quercus Books / Quercus Children’s Books listed as the publisher. One listing gives the paperback at 528 pages and a publication date of 30 April 2024, while another gives 509 pages and 25 April 2024, indicating minor cataloguing differences across retailers. The title is also associated with the Naturals series and is marketed as a concluding installment that includes a bonus Naturals novella in print for the first time. The core premise remains Cassie’s search for truth amid escalating danger, family secrets, and a race against time.