The secular worlds, from Francis Ellingwood Abbot (1836-1903) to Tadeusz Zelenski (1874-1941), individuals, concepts (every aspect from atheism, agnosticism, secular humanism, secularism, and religious skepticism), countries, bibliographies, over 500 entries by 100 contributors – philosophers, scientists, scholars, and Nobel Prize laureates; foreword by Richard Dawkins; 890+pp., indexed.