By Various, Belinda Gallagher
By Tyler, Jenny, etc.
By Young, Rosamund
By Unknown
By Miles Kelly
By Doyle, Sir Arthur Conan
By Miles Kelly Publishing
By DK
By Clark, John O. E., etc., Camm, Martin
By Ash, Russell
By Petty, Kate, Llewellyn, Claire, Shields, Chris
By Meredith, Martin
By Will Buckingham, Peter J. King, Douglas Burnham, Marcus Weeks, Clive Hill, John Marenbon, DK, Sarah Tomley
By Kelly Miles
By Emma Jane Kirby
By Dennett, Daniel C.
By E. Richard Churchill, Louis V. Loeschnig, Muriel Mandell, Frances Zweifel
By Tony Juniper, HRH The Prince of Wales
By Desmond Morris
By Keith Lye
By Lucy Spelman, National Geographic Kids
By Willmott, HP
By Dr. Thomas R. Holtz, Jnr., Luis V. Rey
By MacGregor, Dr Neil