Katie in die Goudvallei (Afrikaans) (Out of print)
ISBN 0 7981 1503 3
Written by Jenny Seed and illustrated by Marjorie van Heerden
Human & Rousseau (South Africa) 
With the discovery of gold, Pelgrimsrus became a hive of activity. All types of people, some of them crooks, very hard dangerous men from all over the world, came to see if they could strike it rich. Ten year old Katie and her father also came to try their luck in this dangerous environment. They meet Tom who helps them and then Tom disappears.