In Slavic lore, 'vlkodlak' means both werewolf and vampire. Two stages of the same creature. Kill the werewolf with anything but pure silver, and it rises as a vampire.Drake Callahan learned of this legend...

History's not what it used to be. Ariyl Moro, the gene-powered amazon from 2109 A.D., drags David Preston, archaeologist, back to ancient times to help her fix some broken historical events.But after...

The future will be stranger than you can imagine. Humanity faces extinction, unless time travelers Ariyl Moro and David Preston can unravel the connection between Thomas Edison, asteroid mining, the Golden...

Humanity is running out of time. Ariyl Moro, superstrong amazon from the 22nd century, has changed history again...and again...as Earth's climate ricochets from hothouse planet to ice age. Ariyl and her...

Change your past, and you destroy your future.It's been four years since Ariyl Moro left, and David Preston has moved on with his life - until an unexpected delivery plunges him into the mystery of vanished...

In this  journey through time, archaeologist David Preston comes into possession of a baseball supposedly signed by the legendary Ty Cobb in 1908, thanks to Ariyl Moro and her mysterious companion, Jon...