de Silva Wijeyeratne, G. (2008). Sri Lanka National Parks and Reserves. 2nd Edition. Sri Lanka Tourism: Colombo. 56 pages. Hardback. ISBN 955-107914-0. A fifty six page overview of the key sites for eco-tourism in Sri Lanka with brief details on logistics. Lavishly illustrated with colour photographs and laid out in a coffee table book style to be used as a marketing tool as well as an introduction to Sri Lanka’s wilderness areas
Nekaris, A. and de Silva Wijeyeratne, G. (2009) Primates of Sri Lanka. Sri Lanka Tourism Promotion Bureau, Colombo. 152 pages. Electronic Edition.The text is by Dr Anna Nekaris, one of the leading primatologists in the world. She has engaged in field work in Sri Lanka which has led to a better understanding and a greater awareness of the island’s primates. The first part of the book is a general introduction to primates written with a lay audience in mind. The second part of the book draws from the scientific literature what is presently known about each of the species and sub-species. The photography is by Gehan de Silva Wijeyeratne who has spent many years taking some remarkable portraits of primates in the wild. The lavish use of images, beautiful design and authoritative text makes for an attractive and instructive book which will further the cause of primate conservation.
Bedjanic, M, de Silva Wijeyeratne, G., and Conniff, K. (2007). Dragonflies of Sri Lanka. Gehan’s Photo Guide Series. 1st Edition. Jetwing Eco Holidays: Colombo. 252 pages (A5). ISBN 978-988-1079-15-4.
The first photographic field guide to the dragonflies of Sri Lanka covering 91 of the 118 species found in Sri Lanka. It includes 35 of the 52 endemic species. A landmark publication and the first modern photographic field guide to the Odonata of South Asia.
de Silva Wijeyeratne, G. (2006, several reprints). Butterflies of Sri Lanka and Southern India. Gehan’s Photo Booklet Series. 26 plates (A5). Jetwing Eco Holidays: Colombo. ISBN 955-1079-11-6.A booklet comprising of 26, A5 sized, colour plates with captioned photographs. Covers 96 of Sri Lanka’s 243 described species of butterflies and skippers (Lepidoptera). A pdf of the booklet can be downloaded (free of charge)
Bedjanic, Matjaz, de Silva Wijeyeratne, G., and Conniff, K. (2006). Dragonflies of Sri Lanka and Southern India. Gehan’s Photo Booklet Series. 1st Edition. 21 plates (A5). Jetwing Eco Holidays: Colombo. ISBN 955-1079-08-6.A booklet comprising of 21, A5 sized, colour plates with captioned photographs. Covers 78 of Sri Lanka’s 117 described species of dragonflies and damselflies (Odonata). A pdf of the booklet can be downloaded (free of charge)