us little kids will learn all about how an acorn grows up to be an oak tree. The story includes the stages of growth of a tree throughout the seasons and year. It also introduces the happenings around the tree, from children playing in its shade to squirrels climbing up its trunk and birds nesting in its branches. These engaging Explore My World picture books on subjects kids care about combine simple stories with unforgettable photography. They invite little kids to take their first big steps toward understanding the world around them and are just the thing for parents and kids to curl up with and read aloud.