This is what middle-grade adventure fiction should be: smart, tense, beautifully written, and deeply respectful of its readers. Rundell doesn't sugarcoat survival—the pilot dies, the kids are genuinely in danger, and there are no easy answers—but she also doesn't sensationalize. The result is a page-turner that builds resilience, curiosity, and empathy.
The Amazon setting is a character in itself, and kids will come away with a visceral sense of the rainforest's beauty and danger. The mystery of the ruined city keeps the plot humming, and the four kids are distinct enough that most readers will find someone to root for.
The Lexile 600L makes it technically accessible for 3rd graders, but the emotional complexity and themes of loss, survival, and self-reliance are better suited for 4th-6th grade. This is a book that sticks with you—the kind of story that reminds kids (and adults) why we read.






