In 1990, Adams traveled around the world with zoologist Mark Carwardine to write ''Last Chance to See'', a book about endangered species and the people who work to help them. At the time of his death Adams was working on his eighth novel ''The Salmon of Doubt,'' which in its incomplete published form centers again on Dirk Gently, although Adams had spoken about the possibility of changing it to another Hitchhiker novel. The book also contains several short stories and essays, including discussion of the author's [[atheist|atheism]]. | In 1990, Adams traveled around the world with zoologist Mark Carwardine to write ''Last Chance to See'', a book about endangered species and the people who work to help them. At the time of his death Adams was working on his eighth novel ''The Salmon of Doubt,'' which in its incomplete published form centers again on Dirk Gently, although Adams had spoken about the possibility of changing it to another Hitchhiker novel. The book also contains several short stories and essays, including discussion of the author's [[atheist|atheism]]. |