Zombie Don't Ride Motorcycles by Matthew Leo and Melissa Leo-Pahl

Matthew and Melissa are a brother and sister writing team who have just released their novel Zombies Don't Ride Motorcycles (ZDRM Book 1). The book follows Charlie, a young woman who grew up on an army base and knows how to use a gun. A handy skill to have since the zombie apocalypse happened. On her journey across the country, Charlie meets up with a group of other teens as they struggle to survive against the walkers.
Unfortunately they zoms aren't the only thing they have to worry about. Patient Zero has the ability to think and talk despite his undead status and is more dangerous then they realise. Charlie must teach her rag tag bunch of comrades how to fight before he kills them.

You can purchase ZDRM here: http://www.amazon.com/Zombies-Dont-Ride-Motorcycles-ZDRM-ebook/dp/B00QVOGNJQ/ref=sr_1_1?ie=UTF8&qid=1421250831&sr=8-1&keywords=zdrm