Sebastian Mortimer is a traveling salesman—specifically, of encyclopedias. Before going home, he has to make a few more sales in the small town he’s just reached. But nothing goes as planned there. Sebastian misses the client he has a meeting with, and his potential buyers don’t seem to care a whit for his wares. To top it all off, the police take an interest in him while tracking down the "Suitcase Killer" on the loose in town and targeting booksellers…. But might Sebastian Mortimer be that mysterious murderer?