Former Guns N' Roses manager Alan Niven shares rock'n'roll stories in his upcoming book "Sound N' Fury." The book includes anecdotes about the band's early days and the dynamics between members like Axl Rose and Izzy Stradlin. Niven highlights Izzy's contributions to the band's sound and style, portraying him as a grounding force. The book also delves into the challenges and tensions within the band, including Izzy's decision to leave due to the pressures of fame. Niven's insights offer a behind-the-scenes look at the rise and fall of Guns N' Roses, emphasizing Izzy's pivotal role in the band's history.