By Paul Donnelley
By Farndon
By DK
By Radnedge, Keir, Robson, Sir Bobby
By Anderson, Scoular, Anderson, Scoular, Collins Big Cat, Moon, Cliff
By Rosling, Hans, Rosling, Ola, Rosling Rönnlund, Anna
By MacGregor, Dr Neil
By Dr. Thomas R. Holtz, Jnr., Luis V. Rey
By Willmott, HP
By Lucy Spelman, National Geographic Kids
By Keith Lye
By Desmond Morris
By Tony Juniper, HRH The Prince of Wales
By E. Richard Churchill, Louis V. Loeschnig, Muriel Mandell, Frances Zweifel
By Vorderman, Carol
By Miles Kelly
By Unknown
By Young, Rosamund
By Tyler, Jenny, etc.
By Various, Belinda Gallagher
By Various
By Varley, Carol, Miles, Lisa
By Neil MacGregor
By Jones, Owen