Join Merki, the curious space squirrel, on an exciting journey... back to Earth!After a tiring mission to Venus, Merki returns home. But as he looks out from his rocket, a question pops into his mind: "How well do I really know my own planet?"In this beautifully illustrated science adventure, young readers will discover: - Why the sky is blue- How trees help us breathe- What causes rain, seasons, and even the northern lights- And why Earth is the only place we can truly call homePerfect for curious kids ages 4-8, Merki's Planet Diaries: Earth blends wonder, facts, and fun in every page.