They are from OSPREY PUBLISHING , one is by IAN KNIGHT " BRITISH FORCES IN ZULULAND 1879 ".
Tho other " ZULU WAR - VOLUNTEERS , IRREGULARS and AUXILIARIES by IAN CASTLE.
The plates in the KNIGHT book are by RICHARD SCOLLINS , the CASTLE book by RAFFAELE RUGGERI.
if anyone is keen to buy these books i will look for the best price and post the link.
they are well worth the money .