Printed

Britain’s Dragonflies: A Field Guide to the Damselflies and Dragonflies of Britain and Ireland by Dave Smallshire and Andy Swash (Princeton WILDGuides 4^th edition 2018

Dragonflies & Damselflies Farley-Brown, Broader & Lewington (FSC WildID fold-out guide 2023)

Field Guide to Dragonflies and Damselflies of Great Britain and Ireland by Steve Brooks and Steve Cham, illustrated by Richard Lewington (Bloomsbury 5^th edition 2018)

Field Guide to the Dragonflies of Britain and Europe by Klaas-Douwe B Dijkstra (British Wildlife Publishing 2006)

 Field Guide to the larvae and exuviae of British Dragonflies by Steve Cham (British  Dragonflies & Damselflies of Britain & Ireland (Apple)Dragonfly Society 2012)

Websites

The British Dragonfly Society is a membership voluntary organisation that has useful resources on Dragonflies and Damselflies on its website: 

Google Lens: Go to google.com and there is a camera icon at the right of the search bar. Click on this, and you can drag and drop any image and it will do its best to identify it – so can be used for any flora and fauna, vertebrates and invertebrates etc. (as well as buildings, landscapes – anything, in fact.)  Worth a look, but treat identifications with caution!

Apps