If you loved the way The Atrocity Archives fuses covert intelligence work with supernatural threats, you'll be thrilled by Declare. Powers plunges you into a Cold War spy story where real historical events are interwoven with secret magical warfare. Like Bob Howard, Andrew Hale is a competent agent caught between bureaucracy and eldritch forces, and the stakes are nothing less than world-changing. The mix of coded messages, chilling rituals, and double-crosses will scratch that same itch for occult espionage.

If you enjoyed Bob Howard's mix of pragmatism, sarcasm, and ethical ambiguity while facing down Lovecraftian threats, you'll appreciate Richard Nixon's bizarre odyssey in Crooked. Grossman reimagines Nixon as a flawed, self-aware anti-hero battling horrors from beyond, blending political intrigue with supernatural terror and a protagonist who is as calculating as he is conflicted.

You laughed at Bob's dry wit and the way The Atrocity Archives lampoons both office life and occult horror? You'll love the gonzo, laugh-out-loud narrative of John Dies at the End. David and John's misadventures with a reality-warping drug and monstrous entities are full of clever banter, genre-savvy jokes, and absurd situations that echo Stross's blend of horror and humor.

If you were fascinated by the Laundry's Kafkaesque bureaucracy and the intricacies of running a supernatural spy agency, The Rook is a must-read. Myfanwy Thomas wakes up amidst a complex magical organization with secretive protocols and dangerous enemies. The worldbuilding is meticulous, with memos, dossiers, and office politics layered into the supernatural intrigue—much like Stross's approach.

Did you enjoy the collision of secret agencies and eldritch horror in a contemporary setting? Rivers of London brings you Peter Grant, a rookie London constable who is recruited into a hidden branch of the Metropolitan Police that deals with magical crimes. The blend of procedural detail, dry humor, and urban fantasy will feel right at home for fans of Bob Howard's world.