Step into Reading A Step 2 Step Into Reading Science Reader about the life cycle of a butterfly! Full color photographs give emergent readers an up close and personal look at each stage of the insect"s life. Originally a read-aloud storybook, The Little Butterfly is now accessible as a solo reading endeavor. Step 2 Readers use basic vocabulary and short sentences to tell simple stories; for children who recognize familiar words and can sound out new words with help.