Read Between the Lines: 10 Classic Kids' Books With Delightfully Subversive Subtext

Written in 1971, The Lorax ($15) tackles the very topical issues of environmentalism and corporate greed in one of Dr. Seuss's slightly more obvious tales. The author pointedly displays how the shortsightedness and greed of the Once-ler is responsible for the destruction of the Truffula forest and for the pollution of the air and water.