9-10 years

The Hardy Boys series, first published in 1927, has sold more than 70 million copies!Now with a brand-new look, this is an edition that collectors ...

The Hardy Boys series, first published in 1927, has sold more than 70 million copies!Now with a brand-new look, this is an edition that collectors ...

The Hardy Boys series, first published in 1927, has sold more than 70 million copies!Now with a brand-new look, this is an edition that collectors ...