It's time for my monthly selection of exciting new book releases, and this September brings several of our most anticipated 2025 titles hitting shelves. Whether you're into fantasy epics, romantic tales, cozy mysteries, Greek mythology retellings, or age-gap romance, this month has something wonderful for every reader.
Here are the standout September releases you won't want to miss. Didn't catch August's recommendations? Catch up here.
The Secret of Secrets by Dan Brown
Release date: September 9
Can you believe it's been twenty years since The Da Vinci Code first captivated readers? Robert Langdon (famously portrayed by Tom Hanks) returns in The Secret of Secrets.
The story takes us to Prague as Robert accompanies academic Katherine Solomon (familiar to series fans) to deliver a prestigious lecture. Her sudden disappearance plunges Langdon into Prague's shadowy underworld, forcing him to utilize all his esoteric knowledge to rescue the woman he loves.
Preorder deal: Currently 40% off ($22.80, down from $38) on Amazon US, and 50% off (£12.50) in the UK.
Alchemised by SenLinYu
Release date: September 23
While fan fiction adaptations aren't new, SenLinYu's reimagined Manacled — the viral "Dramione" (Draco/Hermione) romance — arrives as one of this year's most anticipated releases after its original version amassed over 20 million downloads.
Alchemised follows Helena, an imprisoned alchemist who remembers nothing of the months preceding her capture. Sent to live with a dangerous necromancer obsessed with her secrets, this dark fantasy promises compelling tension and mystery.
Preorder deal: 30% off ($24.50 from $35) on Amazon US, 50% off (£12.50) in the UK.
Uncharmed by Lucy Jane Wood
Release date: September 16 (US)/September 18 (UK)
Perfect for spooky season, YouTube star Lucy Jane Wood delivers witchcraft, found family, and slow-burn romance in Uncharmed. When witch Annie mentors a troubled teenage prodigy, her orderly life unravels — especially amid sparks with Hal, their gruff warlock host.
Set in the same universe as Rewitched but functioning as a standalone, this magical tale invites new readers while rewarding existing fans.
The Impossible Fortune by Richard Osman
Release date: September 25 (UK)/September 30 (US)
Following The Thursday Murder Club's film adaptation, Osman sends his beloved retirees on a new adventure beginning with a wedding — until Elizabeth hears a guest's deathbed confession about an uncrackable code and deadly conspiracy.
Wild Reverence by Rebecca Ross
Release date: September 2 (US)/September 11 (UK)
Set in the Divine Rivals universe but telling its own story, Wild Reverence explores the goddess-mortal trope through Matilda, blessed with messenger magic, and Vincent, who's dreamed of her for a decade after his unanswered prayer.
Tourist Season by Brynne Weaver
Release date: September 23
The Butcher & Blackbird author begins a new trilogy blending romance and dark comedy in Cape Carnage, where vigilante Harper protects her town from tourists — including revenge-driven Nolan, whose murder agenda gets complicated when they unite against a true crime investigator.
Thief of Night by Holly Black
Release date: September 23
The Book of Night conclusion finds shadow-hunter Charlie working for the Cabal while grieving Vince's lost memories and dodging Red, a dangerous doppelgänger wearing her boyfriend's face.
Hekate by Nikita Gill
Release date: September 16
Gill reimagines Greek mythology's goddess of witchcraft, tracing Hekate's upbringing by Styx and Hades before she must embrace her full powers to prevent Olympus's destruction.
The Killer Question by Janice Hallett
Release date: September 4 (UK)/September 23 (US)
Hallett's signature epistolary style returns as villagers investigate missing pub owners Mal and Sue through quiz sheets and texts after mysterious strangers dominate trivia night before their disappearance.
Wild Card by Elsie Silver
Release date: September 9
The fourth Rose Hill novel (readable standalone) delivers forbidden romance between Gwen and Bash — her ex's father — complete with forced proximity and delicious tension as Bash tries repairing his strained paternal relationship.