Information:  - Hobart is the capital and most populous city of the Australian island state of Tasmania. It is the least populated state capital in Australia. Founded in 1803 as a penal colony, Hobart is Australia's second oldest capital city after Sydney, New South Wales. The city is located in the state's south-east on the estuary of the Derwent River, making it the most southern of Australia's capital cities. Its harbour forms the second-deepest natural port in the world.  - Sara Warneke (2 June 1957  27 September 2011), better known by her pen name Sara Douglass, was an Australian fantasy writer who lived in Hobart, Tasmania.  - Wayfarer Redemption is the name of two trilogies that were released as a single six-book series in the U.S. by fantasy author Sara Douglass, and subdivided into two trilogies: the Axis trilogy, and the Wayfarer Redemption trilogy. This sequence is followed by the Darkglass Mountain trilogy.  - Tasmania (abbreviated as Tas and known colloquially as "Tassie") is an island state of the Commonwealth of Australia. It is located to the south of the Australian mainland, separated by Bass Strait. The state encompasses the main island of Tasmania, the 26th-largest island in the world, and the surrounding 334 islands. The state has a population of around 518,500, just over forty percent of which resides in the Greater Hobart precinct, which forms the metropolitan area of the state capital and largest city, Hobart.  - Sinner is the first novel in The Wayfarer Redemption Trilogy by Sara Douglass . In the United States it is also considered the fourth in The Wayfarer Redemption sextet . It is followed by Pilgrim and concludes in Crusader .  - Fantasy is a fiction genre set in an imaginary universe, often but not always without any locations, events, or people from the real world. Most fantasy uses magic or other supernatural elements as a main plot element, theme, or setting. Magic and magical creatures are common in many of these imaginary worlds. Fantasy is generally distinguished from the genres of science fiction and horror by the expectation that it steers clear of scientific and macabre themes, respectively, though there is a great deal of overlap between the three, all of which are subgenres of speculative fiction.    Given the paragraphs above, decide what entity has the relation 'instance of' with 'book'.
The answer to this question is:
sinner