ruthless twins Truls and Trym Thrane sometimes lurk in the background. Doctor Proctor's first major inventions are a powder that makes the user fart (and the farts don't smell) and the "Fartonaut Powder," which makes the user fart so powerfully that they blast into space. In book 2 he invents a bathtub that allows the user to travel through time. As of 2018, there are 5 books in the series. In 2014 a live action film adaptation of the first book was made, and is only available in Norwegian. A sequel, Doktor Proktors Tidsbadekar, was released in 2015 with German involvement. Both films received mixed reviews. The Olav Johansen series It was announced in October 2013 that, writing under the pen-name of Tom Johansen, Nesbø had written at least two novels provisionally entitled Blood on Snow and More Blood on the Water, scheduled to be published in autumn 2014 and spring 2015. The books Blood on Snow and its sequel Midnight Sun: Blood on Snow 2 were published in 2015, but under Jo Nesbø's name. It was also announced in October 2013 that Warner Brothers had bought the rights to Blood on Snow and planned to make a screen adaptation, to be produced by and possibly starring Leonardo DiCaprio. However, on 4 April 2017, it was reported that the screen rights had been purchased by Tobey Maguire's Material Pictures and Lawrence Grey's Grey Matter Productions, and that Maguire would make his directorial debut on the projected film adaptation. This series follows Olav Johansen, a fixer for Oslo crime boss Daniel Hoffman. In Blood on Snow, Olav has just found the woman of his dreams. The only problem is that she's his boss's wife and that his boss has hired him to kill her. A film adaptation of Midnight Sun, titled The Hanging Sun, directed by Francesco Carrozzini directing and starring Alessandro Borghi, Jessica Brown Findlay, Sam Spruell, Peter Mullan and Charles Dance, premiered at the 79th Venice International Film Festival in September 2022. Other projects In 2011, the Nesbø story Twelve was adapted by Magnus Martens into the film Jackpot (), a black comedy crime mystery film. In 2014 it was announced that Nesbø would contribute a re-telling of the story of Macbeth as part of the Hogarth Shakespeare project, described as a 'crime noir' version of the tragedy. His Macbeth is set in 1970 in an unspecified location that