Schoeman, A.S. (c.1990).
Praying mantids and stick insects by A. S. Schoeman (c. 1990 exact year not known).
A general introduction. One of the publisher's "Insight” Series. 40 pages with colour photographs and line drawings. Published by De Jager-Haum, ISBN 0-7985-1368-8. Out of print.