FBI agent Chevie Savano escapes into the past to elude the secret police after they kill Charles Smart just as he is telling her of the WARP program, and she and Riley team up to find Colonel Clayton Box before he can launch missles at the capitals of Europe.

In Victorian London, Albert Garrick, an assassin-for-hire, and his reluctant young apprentice, Riley, are transported via wormhole to modern London, where Riley teams up with a young FBI agent to stop Garrick from returning to his own time and using his newly acquired scientific knowledge and power to change the world forever.

"Pennsylvania, 1997. Part of a clandestine division within the Naval Criminal Investigative Service, Shannon Moss is assigned to the murder of a Navy SEAL's family and the disappearance of his daughter. She learns that the SEAL was an astronaut aboard the U.S.S. Libra, a spaceship assumed lost to the currents of Deep Time. Moss knows firsthand the mental trauma of time travel, and believes it has triggered this violence. She travels ahead in time...

Error-prone Bree Bennis, sixteen, will lose her scholarship if she cannot pass Quantum Paradox 101, but inadvertently brings a twenty-first century boy back with her, then enlists his help in discovering who is attacking time travelers in the twenty-third century.

The magic treehouse takes Jack and Annie to a moon base in the future where they continue to search for the fourth thing they need to free their friend Morgan from the magician's spell.

Jonah, thirteen, and Katherine, eleven, travel through time to 1918 Russia just as Alexei, Anastasia, and the rest of Tsar Nicholas II's family is about to be executed. Author's note includes facts about the Romanov's and the mystery surrounding their deaths.

"Behind the seemingly innocuous facade of St. Mary's Institute of Historical Research, a different kind of academic work is taking place. Just don't call it "time travel"--these historians "investigate major historical events in contemporary time." And they aren't your harmless eccentrics either; a more accurate description, as they ricochet around history, might be unintentional disaster-magnets. "I've done some stupid things in my time. I've been...