Kockroach (2007)

In Tyler Knoc's debut novel Kockroach, Kockroach awakes one morning to find himself transformed into a giant human. Since he's a former cockroach, his first thought is that he has had one hell of a molt; his second, which drives the plot of Knox's adventurous twist on Kafka's dude-turns-into-a-roach ditty, is that he wants sex, money, and power. Sadly, before Knox can explore Kockroach in metamorphosis, he must first explain Arthropod Psych 101; the resulting distance between impulse and action makes Kockroach a very difficult character in whom to invest. Still, if you had any doubts that roaches will win in the end, this should clear them up.