Sperm whale has the largest brain on Earth, more than five times heavier than a human's. Sperm whales can live for more than 60 years. Spermaceti (sperm oil), from which the whale derives its name, was a prime target of the whaling industry, and was sought after for use in oil lamps, lubricants, and candles. Ambergris, a solid waxy waste product sometimes present in its digestive system, is still highly valued as a fixative in perfumes, among other uses. Beachcombers look out for ambergris as flotsam. Sperm whaling was a major industry in the nineteenth century, immortalised in the novel "Moby Dick".
The Whale Caller into a more civilized living style. The whales migrated over a month ago and Saluni feels like her life is fulfilled as she has the Whale Caller and the Bored Twins. She even tries to initiate sex with him but his mind becomes filled with images of whales, including Sharisha and he is unable to follow through. The Whale Caller brings Saluni to Mr. Yodd and one day Saluni even goes there by herself in order to better understand the Whale Caller. One day they meet Lunga Tubu who has the voice of the Earth. One day, during a thunderstorm,