David Beard compiles a wide range of fascinating and eye-opening conversations and original interviews with the group and integral figures in the band's history, including Brian Wilson, Mike Love, Al Jardine, David Marks, Bruce Johnston, Jan Berry, Dean Torrence, Marilyn Wilson-Rutherford, Ginger Blake, and many others. All Summer Long is based on over 30 years of archival interview content and provides a wealth of fresh insights into the personalities, circumstances, and decisions that shaped the music created by one of the most enduring acts in popular music history.