Thesaurus Rex is a playful young dinosaur with a way with words. He especially likes trying out synonyms as he plays all day.

"Rosie is a family dog who goes about her day exploring opposites. No matter what she does, her family always loves her"--

Rhyming text presents examples of words that go together, such as "top goes with bottom, down goes with up," "fat goes with skinny, short goes with long," and "night goes with moon and day goes with sun."

Antonyms such as tall and short, hard and soft, or light and dark, are introduced through the story of a little sister and her big brother baking cookies.

Little Quinito and his family take the reader through a day filled with opposites, including short/tall, quiet/loud, and rainy/sunny. Quinito y su familia conducen al lector por un dia lleno de opuestos, inclusos bajo y alto, callado y ruidoso, y lluvioso y soleado.