Just about everyone’s had a day when they’ve wished it were possible to send an alternate self to take care of unpleasant or tedious errands while the real self takes it easy. In Kiln People, David Brin’s sci-fi-meets-noir novel, this wish has come true. In Brin’s imagined future, folks are able to make inexpensive, disposable clay copies of themselves. These golems or “dittos” live for a single day to serve their creator, who can then choose whether or not to “inload” the memories of the ditto’s brief life. But private investigator Albert Morris gets more than he, or his “ditective” copies, bargain for when he signs on to help solve the mysterious disappearance of Universal Kilns’ co-founder Yasil Mahara