From the back cover:

Elton John and Bernie Taupin discuss their lives, their careers and each other, providing a fascinating insight into their long term friendship and the inspiration behind some of their best known work. With contributions from relatives and friends lncluding Elton and Bernie's mothers, Cher, Eric Clapton, Phil Collins, Roger Daltrey, Billie Jean King, Sting, Tina Turner, Ray Williams, and Neil Young, Twoo Rooms - the book, celebrates 25 years of this unique collaboration. As well as reproducing the lyrics of selected songs, the book contains a complete discography.