Swing, Swing Together

The seventh book in the Sergeant Cribb series by Peter LoveseyLondon, 1889: After Jerome K Jerome's Three Men in a Boat became a Victorian bestseller, rowing on the Thames was the great craze of 1889. When an elementary school teacher in training takes a midnight swim in the Thames and witnesses a body being dumped, Sergeant Cribb and Constable Thackerey are called to investigate.