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Verdict: A footballer breaks his knee in the opening chapters and the book becomes a hospital romance. That is not a criticism — it is very well liked — but it means the sport is a job title and an injury, and our guide had it graded too generously. Corrected here.
Best for: Readers who want forbidden doctor-and-patient, a British setting, and a hero whose crisis is his career rather than his personality.
Heat level: ★★★★☆ (4/5 — “Explicit open door” on romance.io, from 84 reader ratings)
Rating: ★★★★☆ (4.1/5 — 4.07 on Goodreads across 21,212 ratings, 3.89 on StoryGraph, 4.4 from 10,062 on Amazon)
This is an LRR evidence review. We have not read the book text. Everything below is assembled from Goodreads, StoryGraph, romance.io, Amazon’s own review corpus, the author’s channels and named book blogs — and where the evidence stops, we say so rather than filling the gap.
Challenge is the first full novel in Amy Daws’s Harris Brothers series and sits on our Kindle Unlimited sports guide. Camden Harris is a professional footballer in London. Dr Indie Porter is the young hospital physician who ends up operating on his knee, and then cannot stop seeing him.
The series numbering, since it confuses everyone
Challenge is Harris Brothers #1 — the first full novel. Amy Daws numbers Strength as #0, a prequel, which readers may skip. The series then runs to five primary works with a further four in the spinoff Harris Brothers World, one of which is Blindsided, also on our shelf.
How much football is actually in Challenge?
Very little, and three independent readers say so directly. This is the clearest reclassification we made in this batch.
Camden is injured early and the novel becomes about surgery, rehabilitation and whether he still has a career. One reader who stopped at 20% writes that “we don’t see the main male character do what he is good at”. Another, at 57%, describes a book centred on “his surgery and recovering and making decisions about his life”. A third puts it flatly: “I wouldn’t really call this a sports romance.” No reviewer anywhere described a match, a training session, a manager, teammates or the league table.
The counter-evidence is atmospheric only: one blog says Daws “completely pulled me into the sporting world of a footballer”, which is a claim about immersion rather than depicted play.
We also checked whether the doctor angle rescues it. It does not: Indie is a general hospital physician handling one operation, not a club doctor, and no source shows her treating the team. That distinction matters on this shelf — a heroine employed by the club is structural, as in Blind Side; a heroine who treats one athlete at a hospital is not.
Our measurement adds a note worth having. Of the book’s 741 US written Amazon reviews, football is named in 209 — 28.2% — while soccer returns only 81. Readers follow the book’s own English vocabulary. Searching the American word alone would have understated the sport-name rate by more than half, and this title is one of two that taught us to test both. A game is mentioned in 36, or 4.9%.
Our grade: SPORTS-LABELED with LOW on-page sport — downgraded from STRONG SPORTS SETTING and UNKNOWN. The job supplies the injury and the career crisis. Everything else is a hospital.
Book synopsis
Camden Harris is Scottish, enormous, and playing in London when his knee goes. Indie Porter is the doctor on the case, freshly qualified and holding a professional boundary she should not cross. He is a patient, then he is not a patient, and the reasons neither of them should do this stack up faster than the reasons they want to.
My review
Well liked, with real dissent. Goodreads sits at 4.07 across 21,212 ratings and StoryGraph at 3.89 with a 2% did-not-finish rate. All About Romance, whose reviewer describes herself as “an English romantic”, gives it a B-plus and singles out “the different setting as this is a contemporary romance set in London”. Two blogs give it five stars.
The strongest dissent is not about the football. The Bibliophagist, at two stars, attacks the medical realism — “I don’t know how hospitals in the UK work, but this isn’t how” — and flags a line she calls “100% wrong”: “Using me as a punching bag is called love, darling.” We are quoting that because a reader deciding whether to download deserves to see the objection, not a summary of it.
Is Challenge on Kindle Unlimited?
Yes, verified on 22 August 2026 by reading the Kindle format swatch on the book’s own Amazon product page. Enrolment changes without notice.
Does the author publish content warnings?
Partial warning set. Amy Daws demonstrably does publish warnings — her readable reading-order page carries one for Strength, flagging a suicide-attempt storyline. But her own page for Challenge is blocked to automated readers, so whether it carries a set for this title is UNKNOWN. Nothing in the retail description does.
Reader-sourced only, labelled as such: romance.io voters flag slut shaming and misogyny, two each, plus child death, ableism and past child neglect, one each. Add the line The Bibliophagist quotes above.
Ending, cliffhanger and series position
HEA: yes. Cliffhanger: no. Reads standalone: yes. Three blogs confirm a complete arc and a satisfying conclusion, and the leads commit rather than leaving the arrangement casual.
Audiobook
An audiobook exists, narrated by Will M. Watt, Charlotte Cole and Martin Foster. Whether audio is included with Kindle Unlimited is UNKNOWN — the Audible page showed only a purchase price and no Read and Listen for Free language.
What readers are actually saying (August 2026)
Positive on the couple, split on the plausibility — of the hospital more than the football. Reddit: UNKNOWN / NOT ACCESSIBLE — blocked from our research environment, nothing substituted.
Frequently asked questions
Is Challenge on Kindle Unlimited?
Yes as of 22 August 2026, verified on the book’s own Amazon product page.
How much football is in Challenge?
Very little. The hero is injured in the opening chapters and the book becomes a surgery-and-recovery story. No reviewer we read describes a match, training, a manager or the table.
Where does Challenge sit in the Harris Brothers series?
It is book 1, the first full novel. Strength is a prequel numbered 0 and is skippable.
Does the heroine work for the club?
No. Indie is a hospital physician who performs one operation. She is not a club doctor and does not treat the team.
Does Challenge have a happily ever after or a cliffhanger?
Full HEA, no cliffhanger, and it reads as a standalone.
Does the author publish content warnings?
She publishes them for at least one other book in the series. Her page for this one cannot be read by us, so we record it as a partial set rather than claiming none exists.
If you loved Challenge, read these next
Blindsided is the other Amy Daws football book on our shelf, with a plus-size heroine and the same club universe. If it was the injury-and-recovery arc that worked for you, Revive Me builds a whole book out of it. And if you want football actually on the page, we do not have it — the closest is Kulti in American soccer.
The bottom line
A strong, well-reviewed forbidden-romance with a footballer in it rather than a football book. We have corrected our own grading to say so, because a reader who came to our guide for the sport should not have been sent here.
The Evidence Scorecard
Overall ★★★★☆ 4.1/5
- ✓ 4.07 Goodreads from 21,212 ratings
- ✓ 3.89 StoryGraph, 2% did-not-finish
- ✓ 4.4 Amazon from 10,062
- ✓ Six blog reviews, five positive, one two-star
Romance ★★★★☆ 4.2/5
- ✓ Forbidden doctor-and-patient with real professional risk
- ✓ Insta-love tagged 3 times — it moves quickly
- ✓ Virgin heroine tagged 7 times
Characters ★★★★☆ 4/5
- ✓ Hero’s crisis is his career, which gives him something to play
- ✓ Heroine is a newly qualified doctor with her own stakes
- ✓ One blogger objects strongly to a line of his dialogue
Writing ★★★★☆ 3.9/5
- ✓ Fast to medium paced, emotional and tense on StoryGraph
- ✓ London setting praised by an English reviewer
- ✓ Medical realism attacked by a two-star review
Emotional Impact ★★★★☆ 4.1/5
- ✓ Career-ending-injury threat runs throughout
- ✓ Reader-flagged misogyny and slut-shaming content
- ✓ Angst tagged 5 times
Heat Level ★★★★☆ 4/5
- ✓ Band 4 of 5, “Explicit open door”, 84 ratings
- ✓ Consistent with the shelf norm
- ✓ Explicit rather than graphic by reader account
Ending ★★★★☆ 4.4/5
- ✓ Full HEA
- ✓ No cliffhanger
- ✓ Reads standalone, confirmed by three blogs
Re-read Value ★★★★☆ 3.9/5
- ✓ Large connected series to continue into
- ✓ Prequel is optional, which helps
- ✓ Almost no sport to come back for
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