Penguin presents the audiobook edition of Turtles All the Way Down by John Green.

Sixteen-year-old Aza never intended to pursue the mystery of fugitive billionaire Russell Pickett, but there's a hundred thousand dollar reward at stake and her Best and Most Fearless Friend, Daisy, is eager to investigate. So together, they navigate the short distance and broad divides that separate them from Russell Pickett's son, Davis.

Aza is trying. She is trying to be a good daughter, a go ...