El Autobus Siniestro (Ultratumba)
Tom B. Stone
El Autobus Siniestro (Ultratumba)
Age Rating, Reading Level & Content Guide
by Tom B. Stone
The text is written at a 3rd grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.
We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.
About This Book
Skip Wolfson is frightened by a mysterious bus that seems to follow him everywhere. As he digs deeper, he uncovers the secrets behind the ghostly vehicle and learns why the driver is searching for one final passenger. This spooky tale invites readers to join Skip on a thrilling adventure filled with suspense and discovery.
Quick Assessment
This is a Level 3-4 book with mild content intensity. Content themes include mild peril, fantasy violence, fear & anxiety. Written for readers ages 9-12.
Why we rated El Autobus Siniestro (Ultratumba) 8LE
El Autobus Siniestro (Ultratumba) is written at a Level 3-4 reading level across 127 pages (approximately 22,450 words). Strong independent readers around grade 4.5 can typically handle this book on their own; with parent or teacher support, El Autobus Siniestro (Ultratumba) works for readers up to grade 5.5.
Read aloud, El Autobus Siniestro (Ultratumba) runs about 2.5 hours — long enough to span several bedtime sessions.
We rate El Autobus Siniestro (Ultratumba) as 8LE ("Light — Emotional") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.
Specific content flags noted by reviewers: Mild Peril, Fantasy Violence, Fear & Anxiety.
Thematically, El Autobus Siniestro (Ultratumba) explores adventure, mystery, and friendship — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 9-12 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 adventure, mystery, friendship.
- ✓ Readers who fall hard for one book and want a long series to live in — there are 20 more books in the Ultratumba; Graveyard School series.
Maybe not for
- ! Children who are sensitive to violence, even when handled at age-appropriate levels.
For Parents
Content Intensity
8LE — Light — EmotionalLight conflict or tension. Mild peril resolved quickly.
Content Flags
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
7/10High engagement — fast-paced, fun, and hard to put down. Great for reluctant readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
More in the Ultratumba; Graveyard School Series
Algo Raro En Mi Plato
Tom Stone
Algo Raro En Mi Plato
Tom Stone
El Esqueleto del Skate (Ultratumba)
Tom Stone
El Esqueleto del Skate (Ultratumba)
Tom Stone
El Ciclista Sin Cabeza (Ultratumba)
Tom Stone
El Ciclista Sin Cabeza (Ultratumba)
Tom Stone
Pequeño Hombre Lobo
Tom Stone
Pequeño Hombre Lobo
Tom Stone
La Venganza de Los Dinosaurios
Tom Stone
La Venganza de Los Dinosaurios
Tom Stone
Colonia de Vacaciones Dracula
Tom Stone
Colonia de Vacaciones Dracula
Tom Stone
Un Susto Mortal!
Tom Stone
Un Susto Mortal!
Tom Stone
El Abominable Monstruo de Las Nieves
Tom Stone
El Abominable Monstruo de Las Nieves
Tom Stone
Similar Books
Based on content and theme analysis
TRAGIC SCHOOL BUS (Graveyard School)
Tom B. Stone
TRAGIC SCHOOL BUS (Graveyard School)
Tom B. Stone
El Equipo del Terror
Tom Stone
El Equipo del Terror
Tom Stone
Un Fantasma En El Bao de Varones
Tom Stone
Un Fantasma En El Bao de Varones
Tom Stone
Un Susto Navideno
Tom B. Stone
Un Susto Navideno
Tom B. Stone
The late bus
Rick Jasper
The late bus
Rick Jasper
La venganza del esqueleto / The Skeleton's Revenge (Ultratumba / Ultratomb)
Tom Stone
La venganza del esqueleto / The Skeleton's Revenge (Ultratumba / Ultratomb)
Tom Stone
Details
Book Length
- ISBN
- 950240873X
- Pages
- 127
- Publisher
- Albatros Ediciones
- Published
- June 1999
- Type
- Fiction
- Word Count
- 22,450
- Language
- ES
- Read-Aloud
- ~2h 30m
- Text Density
- Standard