The Book of Us: Negentropy
| Grupo | 데이식스 |
|---|---|
| Lançamento | 2021-04-19 |
| Tipo | mini |
| Faixa principal | You Make Me |
The Book of Us: Negentropy is a mini-album by the K-pop group Day6, released on April 19, 2021. The release is led by its title track "You Make Me". Day6 debuted on September 7, 2015 under JYP Entertainment.