Willie Olivier has travelled extensively throughout southern Africa, by road and on foot. He is the author and co-author of several books published by Random House Struik, including Hiking Trails of South Africa, African Adventurer's Guide: Namibia, African Adventurer's Guide: Mozambique, Overland Through Southern Africa, South Africa by Road: A Regional Guide and Padlangs deur Suid-Afrika: 'n Streek-vir-Streek Reisgids. He lives in Windhoek, Namibia.