The 40-page novel is about the world of dark Christmas scripted by Peter Rogers with accompanying art by Conor Boyle.

[citation needed] The album was re-released on November 6, 2020, the reissue includes 3 versions in alternative languages plus the collaboration with Tarja's friends Cristina Scabbia, Doro Pesch, Elize Ryd, Floor Jansen, Hansi Kürsch, Joe Lynn Turner, Marko Saaresto, Michael Monroe, Sharon den Adel, Simone Simons, Timo Kotipelto and Tony Kakko for the beloved "Feliz Navidad".

Utilizing the sound of a grand orchestra, traditional songs such as "O Tannenbaum", "We Wish You a Merry Christmas" and "Feliz Navidad" are included.

On December 8, Tarja released a second, "charity" version of "Feliz Navidad" as a way to help raise funds for Barbuda, an island that was severely damaged by Hurricane Irma.

[4] The track features guest vocals by Doro Pesch, Michael Monroe, Tony Kakko (Sonata Arctica), Elize Ryd (Amaranthe), Marko Saaresto (Poets of the Fall), Timo Kotipelto (Stratovarius), Simone Simons (Epica), Cristina Scabbia (Lacuna Coil), Joe Lynn Turner (Rainbow, Deep Purple), Floor Jansen (Nightwish), Hansi Kürsch (Blind Guardian) and Sharon Den Adel (Within Temptation).