The book was based on interviews she had with Mantle .
Mantle 's off - field behavior is the subject of the book The Last Boy : Mickey Mantle and the End of America 's Childhood , written in 2010 by sports journalist Jane Leavy .
The book was based on interviews she had with Mickey Mantle .
Mantle 's off - field behavior is the subject of the book The Last Boy : Mickey Mantle and the End of America 's Childhood , written in 2010 by sports journalist Jane Leavy .