* Condition: Brand New / Factory Sealed / Official Album
* Region of Manufacture: Republic of Korea ( South Korea)
* Release Date: 10,2019 .
* Company: JYP Entertainemnt
* Album type: DAY6 THE BOOK OF US ENTROPY 3RD ALBUM
* Includes: CD+Photo Book+2 Photocards+ Post Card+Bookmark
**Posters will be shipped separately
*** This album you purchase will be counted on the HANTEO & GAON Charts !! ***