Autor: Carl Sagan, 30 de titluri

Carl Sagan

Carl Sagan

Carl Sagan

Carl Sagan

Carl Sagan

Carl Sagan

Carl Sagan

Carl Sagan

Carl Sagan

Carl Sagan

Carl Sagan

Carl Sagan

Carl Sagan

George G. Ritchie,Elizabeth Sherrill,Jorge Luis Delgado,Osho,Alec Blenche,Nancy Bardake,Amos Oz,Richard Dawkins,Daniel Hoblea,Albert Einstein,Carl Sagan,Rhidian Brook,Leon Nacson,Frans De Waal,Jack Challoner,John C. Maxwell

Raymond A. Levy,J. Stuart Ablon,Horst Kächele,Lee Child,John C. Maxwell,Bill Mesler,H. James Cleaves Ii,Carl Johan Calleman,Alison Gaylin,Alfie Kohn,Dr. Dominic Walliman,Ben Newman,Alec Blenche,Mike Dooley,Tahereh Mafi,Carl Sagan,Dr Gabriel Perlemuter,Urs