M.G. Leonard, internationally bestselling author of Twitch, Beetleboy and Adventures on Trains, is back with the second thrilling wildlife mystery for birdwatching detectives The Twitchers!

Spark is a page-turning autumn mystery adventure about courage, friendship and protecting our planet, perfect for readers 9+ and for fans of Robin Stevens, David Baddiel and Jenny Pearson. It can be enjoyed as a stand-alone adventure or read as part of The Twitchers series.