The octopus is a highly intelligent and deeply mysterious creature. It can communicate in sophisticated ways, change colour and texture in a split second, and sense aspects of the world that we cannot. \n\nMarine biologist David Scheel's lifelong preoccupation with these animals has led to a career of groundbreaking research. Here he shares his latest scientific understanding of octopuses and recounts his intrepid adventures with these charismatic creatures. \n\nMany Things Under a Rock celebrates octopuses as complex emotional beings and reveals what they can teach us about ourselves.