Impossible (Music by the Book) is a compilation album by New Zealand-Australian singer Stan Walker, released on 25 September 2020 to coincide with the release of his first memoir, Impossible.

[1][2] The album compiles tracks from four of five of Walker's studio albums, one of two EPs and numerous non-album singles and guest appearances.

The album peaked at number 9 in New Zealand.

An abridged version of the album was released on CD in Australia in December 2020.

‡ Sales+streaming figures based on certification alone.