Sammy Space-Time is a series of online science-fiction books written and illustrated by Sammy Harbors, who is also responsible for making videos on his YouTube channel, which is known as Sammy Space-Time's Channel. The series is about a boy who travels through time and space, having adventures along the way. The series began with a choose-your-adventure book named Escape from the Killer Volcano, also written by Harbors, and the latest in the series was Enter Sammy Space-Time.As of March 30th, 2014, the series has been cancelled in favor of the Skylar Space-Time series.
One day in 2014, Sammy encounters a ruby. This ruby enables him to travel through time, different realities, and to attack as well. When he is traveling using the ruby and is with his pet evomantis, Timothy, he is having fun.
Sammy Harbors/Sammy Space-Time- He is the main protagonist of this series. He is a very heroic boy.
Timothy- He is an evomantis who is Sammy's pet and companion. Discovered in Maui, Hawaii, Sammy and Timothy instantly became best friends. He appeared as a major character in both Escape from the Killer Volcano and Enter Sammy Space-Time.
Morgan Harbors- She is Sammy's older sister who accompanied him in Escape from the Killer Volcano. She makes a cameo appearance in Enter Sammy Space-Time as well.
Haley Ferris- She is Sammy's younger cousin who accompanied him in Escape from the Killer Volcano. She makes a cameo appearance in Enter Sammy Space-Time as well.
Tobias- He is a Guardian of Multiversal Harmony and Sammy's mentor in the series. He made his debut appearance in Enter Sammy Space-Time.