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Ricky Ricotta's mighty robot vs. the naughty nightcrawlers from Neptune

Dav Pilkey

Cover of Ricky Ricotta's mighty robot vs. the naughty nightcrawlers from Neptune

Ricky Ricotta's mighty robot vs. the naughty nightcrawlers from Neptune

Age Rating, Reading Level & Content Guide

by Dav Pilkey

Illustrated by Santat, Dan, illustrator

Reading Level 1-2 6LP Ages 5-8 Heads Up

The text is written at a 1st grade reading level, the subject matter is intended for younger children (ages 5–8), and the content is mild with minimal sensitive material.

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About This Book

What if a tiny mouse and his giant flying robot had to stop an invasion from slimy nightcrawlers coming all the way from Neptune? Ricky Ricotta faces the biggest challenge yet with his pesky cousin Lucy tagging along. Can they save Earth before it’s too late?

Themes

RobotsAdventureFriendshipJuvenile fiction

Quick Assessment

This early reader book features Ricky Ricotta, a small mouse, and his giant robot as they confront an alien worm invasion from Neptune. Designed for ages 5-8, it includes animated illustrations to engage young readers. The story is light-hearted with mild peril, suitable for early elementary children.

Why we rated Ricky Ricotta's mighty robot vs. the naughty nightcrawlers from Neptune 6LP

Ricky Ricotta's mighty robot vs. the naughty nightcrawlers from Neptune is written at a Level 1-2 reading level across 125 pages. Strong independent readers around grade 2.5 can typically handle this book on their own; with parent or teacher support, Ricky Ricotta's mighty robot vs. the naughty nightcrawlers from Neptune works for readers up to grade 3.5.

We rate Ricky Ricotta's mighty robot vs. the naughty nightcrawlers from Neptune as 6LP ("Light — Physical") 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.

No specific content flags were raised by community reviewers, which is consistent with the mild intensity score.

Thematically, Ricky Ricotta's mighty robot vs. the naughty nightcrawlers from Neptune explores robots, adventure, friendship, and juvenile fiction — these threads give the book room to mean different things to different readers.

Good fit for

  • Children in the Ages 5-8 range — the maturity and attention span match the story's pacing.
  • Patient readers who enjoy slower, character-driven stories.
  • Kids drawn to stories about robots, adventure, friendship.

Maybe not for

  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

6LP — Light — Physical
Emotional
Clear
Physical
Light
Social
Clear
Thematic
Clear

Light conflict or tension. Mild peril resolved quickly.

Data confidence: standard

Was our "Mild" content intensity rating accurate for this book?

Reading Insights

Hook Factor

2/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

1/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
1
Emotional Weight
4
Theme Richness
4
World Scope
3
Data Confidence
7

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Details

Book Length

125 pages
ISBN
9780439377089
Pages
125
Publisher
Scholastic Inc.
Published
2016
Type
Fiction

Genres

Subjects

Ricky RicottaCousinsRobotsWormsHeroesMiceRicottaRickyOuter Space

Places

Neptune (Planet)