By Harris, Tim
By Harrison, Patricia
By Forbes, Scott, Sale, Colin
By Wiegand, Dr Patrick
By Wiegand, Dr. Patrick (edit).
By Wright, Nicola, Potter, Tony, Turner, Dee, Wilson, Christine, Mitchell, Lyn
By AA Publishing
By National Geographic Kids, Modany, Angela
By Chez Picthall/Christiane Gunzi
By Day, Trevor
By Morgan, Ben
By Allaby, Michael
By unkown
By GarlicK, Dr. Mark A.
By Malcolm Porter
By Lambert, David
By Boshoff, Penny
By Burnie, David
By Brendon, Stuart
By Wiegand, Patrick
By Tyler, Jenny, Watts, Lisa
By Varley, Carol, Miles, Lisa
By Collins Longman, Catling, Simon