Y-40

40 anni vergine                                  

40 sono i nuovi 20                              

40 giorni & 40 notti                            

40 carati                                        

Fratellastri a 40 Anni                          

Independently published

Un’onda lunga 40 anni                            

Fitness Publishing

Absolute Fitness After 40: Strength, Mobility, and Real Results in Just 30 Minutes, 2–3 Times a Week (English Edition)

Anuvab Pal: Alive at 40                          

Barbara Cid

40 Day Devotional : Leaving Procrastination Behind (English Edition)

Strength After 40: Build Muscle and Confidence (English Edition)