Astro & B.O.B in the Sticky Mystery

Sinopsis del libro

Hello, Earthlings!! Why do some things slide, stick, or stop? Join Astro, the curious space explorer, and his trusty robot buddy B.O.B. as they return to Earth and land straight into a muddy, slippery, and totally puzzling adventure! When Astro's feet get stuck in the mud and he slides down a hill like a rocket, one…