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Books that share its vibe, closest match first.

George's Secret Key To The Universe

The Search for WondLa

Quest for the Hidden City

George's Cosmic Treasure Hunt

The Battle For WondLa

The Interplanetary Expedition of Mars Patel

Zero G

Lionboy

The Shobble Secret

A Valiant Vow (Star Wars: The High Republic (Middle Grade) #3)

Nicola Berry and the Petrifying Problem with Princess Petronella

Secrets of the Tau