Dark Horizon: PORT 101 - Book One    by Jeremy Parrish
Price: Free! 25930 words. Published on March 12, 2010. .
While attempting to complete the work of a beloved colleague, Herbert George Li inadvertently transports a young college student through time, tearing multiple holes in the fabric of time and space. With the help of new and old friends, Herb and Alex must undo the mistakes of the past in order to restore time and space before all of human history is erased.