Running summary from Time Riders

Here is the breakdown of the book:

1. Madeline Carter, a nerdy computer hacker aboard an exploding plane, and Liam O'Connor, a boat hand aboard the Titanic are rescued from certain death by Mr.Foster, a man full of mystery.
2. They meet a girl named Sal and find out that she was rescued also.
3. The three find out why they have been rescued (to be time police or Time Riders), and they will be responsible for protecting time from evil.
4. They find out their jobs from Mr. Foster and they begin training in the time September 10, 2001 in New York City.

5. Training is cut short when they see a shift(a wrinkle in time caused by time tampering) take place in the time stream and they are forced to react.
6. This man named Dr. Paul Kramer and a military friend, Karl Haas(in the year 2066) find a time machine and go back into time to alter it so that there is no more war and poverty, creating the shift seen by the team in 2001.
7. They go back to the time 1941 to Hitler's winter retreat and join league with him to win World War II.
8. Liam and his assistant, Bob, a cyborg robot, go back to try to find out what happened and discover a ruined America conquered by the Germans led by Kramer in 1956.
9. Liam and Bob have three time windows in which to return to headquarters from their mission to find out exactly where time was altered and miss all three.
10. Maddy and Foster open the time portal and bring back a German from the future by accident from the place where Liam and Bob are supposed to return for the time window.
11.This mishap causes some of the men in the future to be fused together into one body and this was brought to Kramer's attention by Karl Haas.
12. Kramer became paranoid about the possibility of another time traveler coming to kill him, so he destroys all history and the whole world with a explosive device, causing a enormous shift in time which creates an apocalyptic world where New York City is in ruins.
13. The 2001 team finds that there are mutated inhabitants in the city that are cannibalistic, and they have to fight their way through a survival horror reality to find the fuel they need to run their time machine.
14 Back in 1956, Liam is in a prison camp where they keep defeated American soldiers and high-ranking American politicians, and Bob is trying to rescue him.
15. As he goes along freeing prisoners from these prison camps, he gains a following of soldiers, and he is considered "Superman" by all the people.

These are the high points of the book.