The Caldecott Honor and #1 New York Times bestselling book about an irrepressibly precocious little pig marks its 25th anniversary with a celebratory edition featuring a sticker sheet! It's everyone's favorite pig...it's OLIVIA! Join Olivia as she... -dresses up -sings songs -builds sand castles -naps (maybe) -dances -paints on walls -and--whew!-- ...finally goes to sleep at last.