The Cuckoo's Calling

Published under a pseudonym, J. K. Rowling's brilliant debut mystery introduces Detective Cormoran Strike as he investigates a supermodel's suicide in "one of the best books of the year" (USA Today), the first novel in the brilliant series that inspired the acclaimed HBO Max series C.B. Strike.

After losing his leg to a land mine in Afghanistan, Cormoran Strike is barely scraping by as a private investigator. Strike is down to one client, creditors are calling, and after a breakup with his longtime girlfriend, he's living in his office.

Then John Bristow walks through his door with a shocking story: His sister, the legendary supermodel Lula Landry -- known to her friends as the Cuckoo -- famously fell to her death a few months earlier. The police ruled it a suicide, but John refuses to believe that. The case plunges Strike into the world of multimillionaire beauties, rock-star boyfriends, and desperate designers, and it introduces him to every variety of pleasure, enticement, seduction, and delusion known to man.

You may think you know detectives, but you've never met one quite like Strike. You may think you know about the wealthy and famous, but you've never seen them under an investigation like this.

Robert Galbraith’s Cormoran Strike series is classic contemporary crime fiction from a master story-teller, rich in plot, characterisation and detail. Galbraith’s debut into crime fiction garnered acclaim amongst critics and crime fans alike. The first three novels The Cuckoo’s Calling (2013), The Silkworm (2014) and Career of Evil (2015) all topped the national and international bestseller lists and have been adapted for television, produced by Brontë Film and Television. The fourth in the series, Lethal White (2018), is out now.

Robert Galbraith is a pseudonym of J.K. Rowling, bestselling author of the Harry Potter series and The Casual Vacancy, a novel for adults. After Harry Potter, the author chose crime fiction for her next books, a genre she has always loved as a reader. She wanted to write a contemporary whodunit, with a credible back story.

J.K. Rowling’s original intention for writing as Robert Galbraith was for the books to be judged on their own merit, and to establish Galbraith as a well-regarded name in crime in its own right.

Now Robert Galbraith’s true identity is widely known, J.K. Rowling continues to write the crime series under the Galbraith pseudonym to keep the distinction from her other writing and so people will know what to expect from a Cormoran Strike novel.

https://robert-galbraith.com/

Facebook: https://www.facebook.com/CormoranStrikeNovelsOfficial

"One of the books of the year."―USA Today

"Robert Galbraith has written a highly entertaining book... Even better, he has introduced an appealing protagonist in Strike, who's sure to be the star of many sequels to come.... its narrative moves forward with propulsive suspense. More important, Strike and his now-permanent assistant, Robin (playing Nora to his Nick, Salander to his Blomkvist), have become a team - a team whose further adventures the reader cannot help eagerly awaiting."―Michiko Kakutani, The New York Times

"Rowling switches genres seamlessly...a gritty, absorbing tale."―People (3.5/4 stars)

"[Rowling's] literary gift is on display in this work. She crafts an entertaining story [and] comes up with an ending that I'll admit I was surprised by. . . . A fun read, with a main character you can care about and one you'll want to see again in other adventures."―Washington Post

"An extravagant, alien, fascinating world for its characters to explore...great pleasures."―Slate

"a strong and enticing read ... It's a gripping tale set in bustling London, and the author - whether called Galbraith or Rowling - shows superb flair as a mystery writer"
―Irish Examiner

"It's really, really good - beautifully written with a terrific plot ... It's a terrific read, gripping, original and funny ... Please, please give us more of Robert Galbraith and Cormoran Strike. I can't wait for the next"―Richard & Judy, Daily Express

The Cuckoo’s Calling by Robert Galbraith is a modern detective novel that combines a classic whodunnit structure with a gritty, character-driven look at fame, trauma, and the cost of truth. The story follows Cormoran Strike, a large, rough-around-the-edges private investigator and former military policeman who lost part of his leg in Afghanistan. At the start of the book, Strike’s life is a mess: his business is failing, he has only one current client, he’s deeply in debt, and he has just split up with his long-term girlfriend, leaving him effectively homeless and sleeping in his office. Into this difficult situation walks John Bristow, a well-off lawyer who wants Strike to investigate the death of his adopted sister, Lula Landry, a stunningly famous supermodel. Three months earlier, Lula fell from the balcony of her luxury flat in Mayfair. The police ruled it a suicide, assuming she jumped during a depressive episode. Bristow insists Lula would never have killed herself and begs Strike to prove she was murdered. Desperate for money yet wary of the case, Strike takes the job.

Lula Landry, known to the public as “Cuckoo,” was a biracial fashion star who had been adopted as a child into the wealthy, white Bristow family. Her death captured headlines, and the intense media attention magnified every rumor and scrap of gossip. Officially, there is no clear evidence of foul play: Lula had a history of mental health struggles, and witnesses say she was alone when she fell. But as Strike begins to dig into her life, he quickly realizes that there are gaps and oddities in the police version of events. He also acquires a new temporary secretary, Robin Ellacott, who arrives via an agency and proves unexpectedly capable. Robin is engaged to be married and only meant to stay for a short placement, but she is calm, resourceful, and quietly thrilled by the chance to work on a real investigation. Together, Strike and Robin form an unlikely team, with Strike handling the interviews and legwork while Robin organizes files, tracks down information, and slowly learns the art of detection.

The case takes Strike deep into Lula’s world—fashion shows, high-end shops, exclusive clubs, and the sleek, sometimes shallow circles of London’s rich and famous. He speaks to her friends, family members, business associates, and ex-boyfriend, carefully untangling the complicated web of relationships around her. Lula’s life was full of contradictions. On one hand, she was immensely privileged, living in expensive apartments, wearing designer clothes, and earning huge sums of money. On the other hand, she struggled to feel truly at home anywhere. She wanted to connect with her roots and was searching for her biological family, but her adoptive mother, a brittle, judgmental woman, disapproved of this quest. Lula’s inner life, sensitive and insecure, was often hidden behind the glamorous surface that the tabloids loved to feast on. As Strike gathers stories about her, a picture emerges of a compassionate but troubled woman who knew that many people around her were more interested in her fame and fortune than in her as a person.

Strike’s investigation reveals several potential motives for murder. The people in Lula’s circle often had access to her wealth or depended on her image. There is the fashion designer, Guy Somé, who saw Lula as his muse and whose career soared thanks to her. There is her volatile rock-star boyfriend, Evan Duffield, who had a history of drug use and fighting and was immediately suspected by the press when Lula died. There is Ciara Porter, a fellow model and party friend, whose loyalty seems shallow. There is also the building’s security guard, a neighbor down the hall, and her personal driver—all people whose routines and opportunities Strike must carefully examine. As he talks to them, he starts noticing inconsistencies in their accounts of the night Lula died: times that don’t quite match, noises that don’t line up with the official story, and memories that seem suspiciously convenient.

Parallel to the unfolding mystery, the book spends a lot of time on Cormoran Strike himself. He is the illegitimate son of a famous rock star, Jonny Rokeby, but he has deliberately kept his distance from that glamorous world. His childhood was messy—spent moving between chaotic, unconventional homes—and his adulthood has been marked by both professional courage and personal instability. The loss of his leg haunts him physically and emotionally, and the collapse of his relationship at the start of the book has left him raw. Despite all this, Strike is methodical and deeply committed to uncovering the truth. He drinks too much, he is blunt, and he doesn’t charm people easily, but he listens closely and has a sharp understanding of human behavior. Robin, meanwhile, finds herself increasingly drawn to the work. She has a natural talent for observation and organization, and she respects Strike, even when he is gruff or secretive. The slow, respectful development of their working relationship adds warmth and nuance to the plot.

As Strike gets closer to the truth, he begins to suspect that Lula did not die alone on that balcony. Small details—like the position of her body, the pattern of her injuries, and the behavior of certain individuals after her death—hint that she may have been pushed. He also discovers more about Lula’s search for her birth family. She had recently made contact with a mixed-race young man named Rochelle, a friend from a rough area of London, who seemed to represent the life Lula might have had if she had not been adopted into privilege. Lula had left Rochelle money and talked to her about important personal matters, including her will and her plans for the future. Rochelle becomes a key figure in the investigation, because she may have known things about Lula’s intentions and about who Lula trusted—or feared. However, Rochelle herself ends up dead, pulled from the Thames, and the timing suggests that someone is eliminating people who might know too much.

The tension ramps up as Strike realizes that the killer is someone Lula knew well, someone who believed they could get away with murder because of their social position and because the world was so ready to classify Lula’s death as yet another tragic celebrity suicide. He also becomes aware that his digging has put him in danger; someone starts trying to intimidate him, and he has to balance his determination to solve the case with the risk to himself and the people around him. Meanwhile, Robin’s fiancé is increasingly uneasy about her involvement in a violent, unpredictable job, hinting at future conflicts in her personal life if she chooses to stay in investigative work.

When Strike finally pieces everything together, the answer is both shocking and tragically logical. The murderer turns out to be someone close to Lula, driven by a mix of greed, resentment, and a belief that they could control the narrative. The detailed reconstruction of the night of her death reveals how the killer used knowledge of the building, timing, and Lula’s emotional state to stage the fall as a suicide. Strike lays out the solution step by step, exposing lies that had been accepted as truth for months. The revelation forces the characters—and the reader—to confront how easily a vulnerable person can be exploited in a world obsessed with money, image, and quick judgments.

By the end of The Cuckoo’s Calling Strike’s fortunes have shifted slightly. He has proven his skill as a detective and gained new clients, and his relationship with Robin has grown into a solid, if still professional, partnership. The case has given him much-needed income and a sense of purpose, but it has also highlighted how much pain sits underneath the surface of glamorous lives. Lula Landry’s story, in Strike’s hands, becomes more than a scandalous headline. It becomes a human tragedy: a young woman who struggled for identity and belonging, surrounded by people who saw her as an asset, not a person, and who was ultimately killed by someone she should have been able to trust. The novel closes with the sense that Strike and Robin will continue working together, peeling back facades and looking for truth in a world that often prefers convenient illusions, and that the cost of justice is real but necessary—even when it arrives too late for the dead.