Earth invaded

Earth invaded is written at a Level 2 reading level across 46 pages. Strong independent readers around grade 3.0 can typically handle this book on their own; with parent or teacher support, Earth invaded works for readers up to grade 4.0.

We rate Earth invaded as 7LP ("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, Earth invaded explores science & nature, adventure, science fiction, and extraterrestrial beings — these threads give the book room to mean different things to different readers.