Sequel to The Rains (based on publisher description and dust jacket).
Summary
In Creek's Cause, the Rain brothers and their friend Alexandra fight for humanity's survival as everyone over the age of eighteen turns into dangerous, zombie-like beings.
In Creek's Cause, the fight for humanity's survival continues. Everyone over the age of eighteen has been turning into ferocious, zombie-like beings-- and the spores that cause the transformation are not of this Earth. Now a new breed of predatory creature has been spawned, devouring everything in its path. Chance and Patrick Rain and their friend Alexandra may become humanity's only hope for salvation.