Death of a Kingfisher by M.C. Beaton

The small town of Braikie has seen an influx of tourists to a place called Buchan's Wood, which has been renamed the Fairy Glen. One of its main attractions is a family of Kingfishers--who meet an untimely demise when they are mysteriously poisoned. Soon after, several people are murdered, and policeman Hamish Macbeth and his colleagues have something more sinister on their hands. Throw in a group of eccentric residents, a bit of romance, humor, and you have another enjoyable entry in this long-running cozy mystery series.