Book excerpt: Tales of adventure and danger have thrilled Felicity since Augustus, her ivory-billed woodpecker friend, taught her to read as a little nestling. She adores the tales of heroes and heroines who forge ahead in spite of all odds, and who always seem to succeed no matter what. More than anything, Felicity wants to be brave and selfless like them. But adventures are in short supply, especially for someone who's just an ordinary sparrow. Until the day an unexpected visitor shows up at her tree with an unusual request...