Written By: Paul Dolan

Narrated By:Paul Dolan

Publisher: Penguin UK

Length: 06:59:25

Written By: Steve Stewart-Williams

Narrated By:Tom Lawrence

Publisher: Cambridge University Press

Length: 15:32:54

Written By: Rich Karlgaard

Narrated By:Fred Sanders

Publisher: Penguin Random House

Length: 09:19:29

Written By: Josh G. Devon

Narrated By:Nick Dolle

Publisher: Author's Republic

Length: 00:20:42

Written By: Anne Harrington

Narrated By:Joyce Bean

Publisher: Brilliance Audio

Length: 11:49:06

Written By: Christoph Wilbert

Narrated By:Jesse Gross

Publisher: Author's Republic

Length: 00:11:49

Written By: Christopher R. Oxford

Narrated By:John Hays

Publisher: Author's Republic

Length: 00:25:31

Written By: Sigmund Freud

Narrated By:Steven Crossley

Publisher: Author's Republic

Length: 03:24:17

Written By: Albert Hofmann

Narrated By:Michael Toms

Publisher: New Dimensions Foundation

Length: 00:52:36

Written By: Arthur Hastings, Ph.D., Charles Tart, Ph.D.

Narrated By:Michael Toms

Publisher: New Dimensions Foundation

Length: 01:44:47

Written By: Gail Brenner

Narrated By:Justine Willis Toms

Publisher: New Dimensions Foundation

Length: 00:57:20

Written By: Laura Basha

Narrated By:Justine Willis Toms

Publisher: New Dimensions Foundation

Length: 00:57:20

Written By: Shakil Choudhury

Narrated By:Shakil Choudhury

Publisher: ECW Press

Length: 06:44:46