When the Dead Rise is a free online collection of short stories about the zombie apocalypse. Available in both PDF and HTML, When the Dead Rise follows different characters struggles for survival as the plague spreads throughout the US and then the world. Some will live to fight another day and some will join the growing ranks of the undead.
New volumes in the series are released at the end of each month. While there are currently 4 volumes released at the time of this posting, there are many more planned.
Link to When the Dead Rise: http://whenthedeadrise.cmfick.com/
Hope you enjoy!!