Luis, Casey, Tyler, and robot cat Steel discover Tesla's Time Twister, a time machine created by the famous scientist and Luis's uncle. Immediately, they're off on adventures, exploring the past and the future. They face aliens in space, a haunted house, ancient Egypt, and a monster-filled undersea world as they attempt to rescue Uncle Cyrus, who has been lost in time for more than one hundred years! Full contents: Book 1: “Time and Space” Book...

When Amelia Earhart accidentally time travels back to ancient Greece, Abby and her stepbrother, Doc, must persuade her to return to her own time and finish her solo flight across the Atlantic Ocean.

Travel through time with Luis, Casey, Tyler, and robot cat Steel! Using Tesla's Time Twister, the friends find themselves in ancient Egypt. There, they face an ancient curse, while trying to rescue Uncle Cyrus, who remains stuck in time! Aligned to Common Core standards and correlated to state standards.

Travel through time with Luis, Casey, Tyler, and robot cat Steel! Using Tesla's Time Twister, the friends travel into the future and under the sea! Adventure in a city below the waves awaits. Yet with sea monsters on the attack, can they finally get Uncle Cyrus unstuck in time? Aligned to Common Core standards and correlated to state standards.

Abby and her stepbrother, Doc, must persuade Abraham Lincoln to play his part in history after one too many comments about history being boring cause him to go on strike.