Heller, Ruth

Describes, using rhyming text, how various sea animals change color to blend in with their surroundings.

Rhyming text and illustrations present the characteristics and behavior of animals found on the Galapagos Islands, including the giant tortoises, blue-footed boobies, and land iguanas.

Text and illustrations introduce animals with fur or hair who nurse their young, breathe fresh air, and except for two species give birth to their young alive instead of laying eggs.

Brief rhyming text and illustrations present a variety of plants that do not flower but propagate by means of spores, seeds, and cones.

Explores through rhyming text the subject of prepositions and how they are used.

Rhyming text and pictures demonstrate the camouflage provided by nature for various toads and frogs-some of whose coloring changes completely to match their background.

Rhyming text and illustrations present explanations of the various types of nouns and rules for their usage.

Describes and illustrates how colors combine in printing and how they affect our eyes.

Brief text in rhyme and pictures introduce adjectives and their uses.

Rhyming text and illustrations introduce a variety of collective nouns such as a "drift of swans" and a "clutch of eggs.".