The Zombie Chronicles - Book 4 - Poisonous Serum - The Zombie Chronicles, #4

Welcome to The Zombie Chronicles. Book 1 - The Zombie ChroniclesBook 2 - Race for the CureBook 3 - Deadly CityBook 4 - Poisonous SerumBook 5 - Undead NightmareBook 6 - RevelationBook 7 - Trepidation Book 8 - ImpactBook 9 - SiegeBook 10 - ValThree siblings fight to survive in a zombie infested world. When they get caught in a flood during a rainstorm, the group is forced to take refuge. They are thrust into a mystery they can't explain, and when things slowly begin to unravel, they learn they have to play by a new set of rules.
Book trailer for the series: http://youtu.be/ociUHiL1g70