I entered the water quietly and saw two humpback whales sleeping diagonally in the distance. Two school buses just hanging in space … Acclaimed wildlife scientist Vanessa Pirotta has been mugged by whales, touched by a baby whale and covered in whale snot. In Humpback Highway, Pirotta dives beneath the surface to reveal the mysterious world of humpback whales – from their life cycle and the challenges humans present to these marine giants to why whale snot and poo are important for us and the ocean. Plus the cutting-edge new technologies (including tagging whales so that they communicate with satellites) that allow us to see where they swim, listen to them talk and even spy on them underwater.