"Read about when summer begins, why do we have seasons, how do summer days help plants grow, and what farmers do in the summer"--Provided by publisher. Contents: What are the seasons? -- When is it summer? -- How does Earth's tilt make summer weather warm? -- What else makes summer warm? -- How do summer days help plants grow? -- What do animals do in the summer? -- What do farmers do in the summer? -- What do children do in the summer? -- Experiment Interest Level: K-3 Reading Level: 2.1 Lexile Measure: 580 Guided Reading Level: H.