Reed and Bush Warblers (Helm Identification Guides)
'destined to become the ultimate reference for these challenging birds' Birdbooker report website (12th November 2010)  'Full of amazingly comprehensive data, yet extending an invitation to a world in which so much waits to be discovered, Reed and Bush Warblers is a Premiership-level 'keeper' for sure. A magnum opus, worth of addition to any birder's library.' Birdwatch (April 2011)