OliverPicture Book - 2012 | First Edition.
Oliver likes finding things out, so when his mother cannot explain the gurgling in the bathtub he builds a submarine, goes down the drain, and meets a group of vacationing penguins.
Publisher: New York : Harper, an imprint of HarperCollins Publishers, 
Edition: First Edition.
Characteristics: 1 volume (unpaged) : color illustrations ; 27 cm