40 On

God 4.0: On the Nature of Higher Consciousness and the Experience Called “God”

Robert Ornstein

40 Thieves on Saipan : The Elite Marine Scout-Snipers in One of WWII's Bloodiest Battles

Joseph Tachovsky, Cynthia Kraack

Reach : 40 Black Men Speak on Living, Leading, and Succeeding

XChange : How to torch your work treadmill, retire your boss, dump the ingrates, torment the passive-aggressives, escape the toxic office, get your fierce on and design the career that lets you live, love and laugh after 40

Lucia Knight

On Being 40(ish) : Fifteen Writers on the Prime of Their Lives

Boy Meets Girl : 40 Couples on How and Where They Met the One

Rachel Safier

On Being 40(ish)

Halfway around the World in 40 Days

Kathrin Kaiser

40 Ways To A Regret-Free Life : 40 Ways On How To Avoid Regrets

Roxanne Jade Regalado

40 Thieves on Saipan : The Elite Marine Scout-Snipers in One of WWII's Bloodiest Battles

Joseph Tachovsky

40-Love

Olivia Dade

Cold Case - Cherringham - A Cosy Crime Series, Episode 40 (Unabridged)

Matthew Costello, Neil Richards