Guyana the dryer savannah areas in the south-west; and the smallest interior lowlands (interior savannah) consisting mostly of mountains that gradually rise to the Brazilian border. Some of Guyana's highest mountains are Mount Ayanganna (), Monte Caburaí () and Mount Roraima ( – the highest mountain in Guyana) on the Brazil-Guyana-Venezuela tripoint border, part of the Pakaraima range. Mount Roraima and Guyana's table-top mountains (tepuis) are said to have been the inspiration for Sir Arthur Conan Doyle's 1912 novel "The Lost World". There are also many volcanic escarpments and waterfalls, including Kaieteur Falls which is believed to be the largest water
In the Heart of the Country the 1977 British version, the 1977 American version which was the same but published under the title "From The Heart Of The Country", and the 1978 South African version. In the South African version the novel's dialogue is in Afrikaans. The novel was awarded the 1977 CNA Prize. Marion Hänsel directed a motion picture adaptation, "Dust," in 1985. In the Heart of the Country In the Heart of the Country (1977) is an early novel by South African-born writer J. M. Coetzee. The book is one of Coetzee's more experimental novels and is narrated through 266 numbered paragraphs rather than