In the summer of 1998, award-winning writer and biologist Bernd Heinrich found himself the unwitting -- but doting -- foster parent of an adorable gosling named Peep. Good-natured, spirited Peep drew Heinrich into her world -- one he found to be filled with as much color and drama as that of her human counterparts. And so, with a scientist's training and a nature lover's boundless curiosity and enthusiasm, Heinrich set out to observe and understand...