Reviewed by HootRated editorial · Last updated
Sixkill
Robert B. Parker
The text is written at a 3rd grade reading level, the subject matter is intended for teens (ages 13+), and the content has moderate intensity with some emotionally heavy themes. Its HootRating code, MP, means moderate content, mostly physical.
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About This Book
A determined investigator teams up with a celebrity's loyal bodyguard to uncover hidden truths surrounding a mysterious murder charge. As secrets unravel, they navigate the dangerous world of fame, betrayal, and justice to find the real story behind the crime. Their partnership reveals unexpected connections that challenge everything they thought they knew.
Themes
Quick Assessment
This is a Level 3-4 book with moderate content intensity. Content themes include murder, investigation, physical danger. Written for readers ages 13+.
Why we rated Sixkill MP (Moderate)
Sixkill is written at a Level 3-4 reading level across 293 pages (approximately 47,402 words). Upper Grades (Ages 13+) is the typical interest range for this book — readers in that age band have the maturity and attention span suited to the story, separate from whether they can decode the words.
Read aloud, Sixkill runs about 5.3 hours — long enough to span several bedtime sessions.
We rate Sixkill as MP (Moderate, mostly physical) because the content sits in the "Moderate" range — moderate conflict that may involve loss, scary scenes, or interpersonal stakes. The strongest signals come from physical peril — these are the dimensions parents should evaluate against their reader's tolerance.
Specific content flags noted by reviewers: Murder, Investigation, Physical Danger.
Thematically, Sixkill explores mystery, friendship, crime investigation, and adventure — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 13+ range — the maturity and attention span match the story's pacing.
- ✓ Reluctant readers who need fast-paced, hook-heavy stories to stay engaged.
- ✓ Kids drawn to stories about mystery, friendship, crime investigation.
- ✓ Readers who fall hard for one book and want a long series to live in — there are 4 more books in the Spenser series.
Maybe not for
- ! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.
For Parents
Content Intensity
MP · Moderate · PhysicalReading the HootRating code: the first letter is the content intensity (C = Gentle · L = Mild · M = Moderate · I = Intense · V = Very Intense); the second, when there is one, is the kind of content that drives it (E = Emotional · P = Physical · S = Social · T = Thematic). Reading level and age range are rated separately. How we rate
Real stakes and emotional weight. May include sustained danger, loss, or bullying.
Content Flags
Was our "Moderate" content intensity rating accurate for this book?
Reading Insights
Hook Factor
7/10High engagement — strong hooks for reluctant readers, like a long series, humor or adventure.
Discussion Potential
2/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
More in the Spenser Series
Hush money
Robert B. Parker
Hush money
Robert B. Parker
The professional
Robert B. Parker
The professional
Robert B. Parker
Painted Ladies
Robert B. Parker
Painted Ladies
Robert B. Parker
School Days (Spenser)
Robert B. Parker
School Days (Spenser)
Robert B. Parker
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Details
Book Length
- ISBN
- 9780399157264
- Pages
- 293
- Publisher
- Putnam Adult
- Published
- 2011
- Type
- Fiction
- Word Count
- 47,402
- Read-Aloud
- ~5h 16m
- Text Density
- Standard