Dr. Seuss's Cat in the Hat introduces Sally and Dick to a variety of birds, from the ten-foot ostrich to the two-inch hummingbird.

Rhyming text and illustrations depict the Cat in the Hat and his friends exploring the many different kinds of insects, their characteristics, and behavior.

In rhyming text, the Cat in the Hat introduces Sally and Dick to the various inhabitants of the ocean, including herring, mackerel, jellyfish, sharks, manatees, and whales.

The Cat in the Hat introduces Dick and Sally to various animal babies in the wild.

In rhyming text, the Cat in the Hat introduces the tropical rainforest and the ways in which its plants and animals interact.

The Cat in the Hat explains the origins of various holidays throughout the year, some well-known and some lesser-known, as well as some of the rituals associated with each.

Norval the Fish is hosting a seaside talkshow for the Fish Channel-and the Cat in the Hat and Thing One and Thing Two are Cameracat and Crew! Among Norval's special guests are his old friend Clam-I-Am (a shy gal who lives in the sand and likes to spit), along with horseshoe and hermit crabs, jellyfish, sand fleas, starfish, seagulls, and miscellaneous mollusks. Seaweed, seaglass, tides, tidal pools, dunes, driftwood, and waves make cameo appearances,...

While stopping to admire some of the world's most amazing trees, the Cat and Co. teach beginning readers how to identify different species, many found in North America, from the shape of their crowns, leaves, lobes, seeds, bark, and fruit.

Rhyming text explains the nature and habits of butterflies.

The Cat in the Hat takes Sally and Dick to visit the North and South Poles, where they mingle with native animals-reindeer, musk oxen, polar bears, caribou, and all sorts of penguins. They discover how the animals stay warm in the freezing cold, learn why it's colder at the South Pole than at the North Pole, find out that one pole is located on land and the other isn't, and learn that scientists are studying climate change to keep both poles icy cold....