Alright, buckle up because the timeline in the Jane Hawk series is a wild ride with flashbacks, parallel narratives, and then a significant time jump. The core five-book saga follows a linear path: 'The Silent Corner', 'The Whispering Room', 'The Crooked Staircase', 'The Forbidden Door', and 'The Night Window'. These cover Jane's initial investigation and war against the Techno Arcadians. The catch is the final novel, 'The Bone Farm', which is a prequel novella. It's set before the first book, detailing an early case. So for a first read, go by publication order. For a chronological deep dive, start with 'The Bone Farm', then hit books one through five.
Honestly, the publication order is the intended experience. Koontz weaves in backstory naturally, and reading the prequel first might dilute some of the mystery about Jane's past and her husband's death. The emotional punch comes from following her 'present' journey and then getting that poignant look back later.