The book covers all 19 species breeding in the county, with distribution maps and flight charts based on the results of the six-year countywide survey carried out by the Herts Dragonfly Group, all rare migrants recorded since 1975 with colour photos and a history of all species recorded in Hertfordshire from 1835-2006.
'Where to watch dragonflies' gives details of all sites with 14 or more breeding species, the 'Top 10' sites to visit in Herts with colour photos and access maps and a gazetteer of all sites surveyed.