DEPT H HC (2025)

"From New York Times best-selling MIND MGMT creator Matt Kindt comes an exciting new undersea sci-fi mystery. Mia is a special investigator hired to uncover possible sabotage taking place at a deep-sea research station. What she uncovers is a mind-blowing crime scene filled with suspects with terrible secrets, strange deep-sea creatures, and an impending flood! Collects issues #1-#6 of the series."

"Six miles below the surface of the ocean, Mia has to solve a locked-room murder mystery before the crime scene is completely flooded. As the crew tries to save the Dept. H base from destruction, some of them start to take matters into their own hands. But the bottom of the ocean is full of unknown dangers, and with time running out, rescue is almost impossible. Collects issues #7-#12."

"Confronted with a deep-sea base that is slowly imploding, Mia gets one step closer to solving the murder of her father. But things won't be that easy, as our small team of survivors grapple with psychic jellyfish and exposure to mind-altering and potentially lethal pathogens that might just drive them insane before they can reach the surface. But even if they can survive all of this? The bigger question still remains - why aren't they allowed to surface? Mia may have figured out who murdered her father... but the motivation for the crime may prove even more devastating. Collects Dept. H #13-#18."

"The remaining survivors of Dept. H abandon the deep-sea base and prepare for their long-awaited ascent. But life above the waterline remains uncertain for the team, and the pressure to solve Hari's murder continues to strengthen its grip on Mia. Secrets and memories begin to surface, but before Mia can unpack the mystery, she must decide the fate of those still stuck six miles below sea level. As the water rises, Mia's time runs out in this last volume of the aquatic sci-fi mystery from New York Times bestselling creator Matt Kindt. "