Who dated Risto Isomäki?

Risto Isomäki (born 8 June 1961 in Turku) is a Finnish author of science fiction books. His 2005 novel The Sands of Sarasvati (Sarasvatin hiekkaa) was nominated for the Finlandia Prize in 2005 and won the Tähtivaeltaja Award in 2006. Two of his novels, The Sands of Sarasvati (Into, 2013) and Lithium-6 (AmazonCrossing, 2015) have been published in English, along with a graphic novel adaptation of The Sands of Sarasvati (Tammi, 2008).