Spot the Difference: Plants introduces young learners to the appearance and function of different parts of a plant. Stunning photographs encourage readers to compare and contrast how each plant part differs across a diverse selection of plants. This Acorn Read-Aloud title is an excellent tool for introducing young learners to plants.Spot the Difference: Plants introduces young learners to the appearance and function of different parts of a plant. Stunning photographs encourage readers to compare and contrast how each plant part differs across a diverse selection of plants. This Acorn Read-Aloud title is an excellent tool for introducing young learners to plants.