Animals herd, carry, pull, and even . . . keep us company! This nonfiction, easy-to-read picture book transports readers from an open field to a desert to a sno
Have you ever wondered how fish breathe underwater, how caterpillars transform into butterflies, how snakes slither, or why deer grow cumbersome antlers every y
The alarm calls of birds make them difficult for predators to locate, while the howl of wolves and the croak of bullfrogs are designed to carry across long dist