- Science Fiction
- Hilo collection
- Ages 7–11
Hilo
Part of the collectionHilo→Best for readers who want funny graphic novels with real sci-fi stakes, strong friendships and a story that becomes more ambitious as it goes.
- Books11 / 11
- Arcs4
- Span2015–2025
- StatusOngoing
The series
At a glance.
Hilo is Judd Winick's main graphic novel series, following Hilo, D.J., Gina and a growing cast through robot battles, portals, alien worlds, magic, monsters and family revelations. The early books are especially accessible: bright panels, broad humour, clear character emotions and a fast action rhythm. As the series continues, Gina becomes increasingly central and the world expands beyond Hilo's crash-landing mystery into deeper questions of identity, responsibility and belonging. It is a strong bridge from Dog Man-style comic momentum into more emotionally continuous graphic novel adventure.
Best for readers who want funny graphic novels with real sci-fi stakes, strong friendships and a story that becomes more ambitious as it goes.
Primary themes
Overall tone
- Funny
- Exciting
- Adventurous
- Heartwarming
Read in publication order. The early books establish Hilo, D.J. and Gina, while later books depend on their history, powers and relationships.
4 arcs
A series that changes as it goes.
- INarrative arcBooks 1–3 · 2015–2017Moderate sensitivity
Hilo crashes to Earth
Hilo, D.J. and Gina become friends as robots, portals and world-saving danger arrive.
The opening Hilo arc is the most accessible and comic-led part of the series. Hilo's crash landing gives D.J. and Gina a friendship and adventure they never expected, while the robot battles and portal danger give the books immediate momentum. The first two volumes are relatively low in sensitivity, but The Great Big Boom raises the stakes and makes the emotional bonds more serious. This is the ideal entry stretch for reluctant readers because the jokes, colour and action do a huge amount of reading work.
- IINarrative arcBooks 4–6 · 2018–2020Moderate sensitivity
Monsters, memories and all the pieces
The original Hilo mystery deepens through monsters, memory, identity and a major emotional pay-off.
This middle arc is where Hilo becomes more than a funny robot comic. Monsters wake, Hilo's past matters more, and the series builds towards All the Pieces Fit, which gives the early saga a strong emotional and narrative resolution. The humour is still present, but readers are now following a more continuous science-fiction story about identity, friendship and sacrifice. This arc remains very readable because the artwork is clear and generous, but it asks children to care about memory, loss and responsibility as well as battles.
- IIINarrative arcBooks 7–9 · 2021–2023Moderate sensitivity
Gina steps forward
The focus shifts towards Gina, magic, secrets, family and larger world-threatening stakes.
The Gina arc gives the series a fresh centre without abandoning Hilo's friendship group. Gina's powers, secrets and responsibilities come forward, and the series becomes more explicitly magical as well as science-fictional. This is a strong run for readers who like seeing a side character become central, but it is not the best place to start because the emotional force depends on knowing the group already. The sensitivity remains moderate: there is danger, conflict and pressure, but the tone stays bright, hopeful and child-facing.
- IVNarrative arcBooks 10–11 · 2024–2025Moderate sensitivity
Expanded heroes and new threats
The later books widen the cast and continue the series with new heroes, bullying themes and space-scale comedy adventure.
The later Hilo arc keeps the franchise moving after the earlier major resolutions. Rise of the Cat brings a new heroic focus and includes bullying as a meaningful social pressure, while The Great Space Iguana returns to the series' big comic sci-fi energy. These books are best for existing fans because they assume the reader already understands Hilo's world, tone and emotional baseline. They show the series' flexibility: still funny and bright, but able to shift attention towards new characters and different kinds of courage.
Fit check
Right for your reader?
Where the series lands by age
- 1
- 3
- 5
- 7
- 9
- 11
- 13
- 15
- 17
- 19
- Best fit · 7–11
- Read aloud · 6–10
- Independent · 7–11
Reluctant-reader friendliness
Very high
Read-aloud quality
Strong
Adult crossover
High
Grows with the reader
Designed to
Sensitivity envelope
Moderate overall, and consistent.
Content notes
- Violence
- Scary imagery
- Bullying
Per-arc breakdown
In the same universe
Sister series.
Where it sits
In conversation with other series.
Similar in feel
Different shelves, same wavelength.
About the author