The story of a young girl living in the Middle Ages who took the time to observe the life cycle of butteflies--and in so doing disproved a theory that went all the way back to ancient Greece.

Caterpillar crawls from leaf to leaf, eating and waiting, all alone in a big, green world. Then Orange appears--Orange floats, and flits, and flies, graceful and beautiful. In this sweet, moving story of intergenerational friendship, a small caterpillar is befriended by a glorious monarch butterfly, and together they learn to see the world through each other's eyes.

Provides a simple explanation of what happens as a caterpillar changes into a butterfly--from the caterpillar's point of view.

The reader follows the growth and development of the butterfly from a caterpillar into a butterfly.

Briefly describes the life cycle of the caterpillar.

"A caterpillar hatches out of an egg and grows into a butterfly through its life cycle"--

Asks readers a true-or-false question about the physical characteristics, diet, or behavior of butterflies or caterpillars that the reader can find the answer to by turning the page.

"What's that wedged in a crack in the ground, small and hard and wrinkly and brown? A bean seed! Soon it develops roots and leaves. And what's that on the leaf? An egg! The egg hatches a caterpillar, and the caterpillar eats the leaves, getting bigger and bigger until it forms a chrysalis. Meanwhile, the plant is growing, too: it develops flowers, then bean pods, as it reaches up toward the sun. Side by side, plant and insect grow...and grow...and...