The authors Saartjie Kidson and Herman van Niekerk are both well-known in wildlife and birding circles. 
SPOTTER'S GUIDE - BIRDS OF THE LOWVELD is an innovative and practical field guide in a handy pocket size that features all the bird species normally found in the Lowveld. The condensed list makes the identification task of the 541 regular and 47 visiting bird species a great deal easier. 
It contains: 
Dueldex, a bilingual index of common group names
A handy Shapefinder for quick and easy identification
Excellent photographs for easy identification