When sixteen-year-old Dan Renfrew accidentally transports himself to England in the year 1066, he learns he is a time jumper, descended from a long line of secret heroes who protect the present by traveling to the past to fix breaks and glitches in the time stream.

"Future football star Micah Hudson's most prized possession is a football signed by the Jackson Vick. But when he brings it to school for show-and-tell, it mysteriously disappears! With the help of his best friend, Carter, and a checklist on how to be a detective, Micah follows a trail of clues to catch the thief. Will he discover the truth before school ends?"--Provided by publisher.