Book excerpt: This Step 2 reader celebrates a firefly with no light, and how his unique lack of glow is just what's needed to save the day. Luke is a firefly with one tiny difference from his friends--he doesn't glow! He enjoys playing with his friends in their garden home, but then, they get trapped by a little boy looking for fireflies. Using his unique lack of light and a little teamwork, Luke is able to free all of his friends from the jar. This story shows kids that each of us is unique and has a special gift to share with the world. Step 2 readers use basic vocabulary and short sentences to tell simple stories. They are perfect for children who recognize familiar words and can sound out new words with help.