Book excerpt: In the dramatic conclusion to the tech-noir mystery “1949,” Detective Blank follows the clues in her dreams to the door of a killer. But facing this maniac who has one foot in the future could mean the end for her. Plus, we return to the universe of “Amnia Cycle,” where Amnia and Byzner are stranded on a deserted planet. When Byzner makes his escape, he finds no one believes he is who he says he is.