"The first book covered the first 12 years of Madonna’s career in 200 pages," Rettenmund told The Huffington Post in an email statement.

"Now, I have to cover another 20 years, and I have to do it in a way that makes the book a real value to fans spoiled by the 24/7 news cycle.
I have to bring fresh material to the table, so the book will include original interviews and never-before-seen photos — I want it to be a fan’s wet dream.”