This book is part of a book series called Harriet the Spy .

This book has been graded for interest at 10-14 years.

This book was published 2014 by Delacorte Press .

Louise Fitzhugh (1928-1974) was born in Memphis, Tennessee and published `Harriet the Spy', her first novel, to mixed reviews in 1964, but it has since been recognised as a children's classic. `The Long Secret' followed in 1965 and `Sport' was published posthumously in 1979.