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.
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)