Trouble on Teral (The Portal Adventures Book 1)

Perhaps coming to visit his mom on Teral Four without her permission had not been one of Mark’s brightest ideas. But after she cancelled his visit to her archaeological dig, he had felt he had no choice. Now he wasn’t so sure. When his dad, a Colonel in the UN Peacekeepers, found out, he was going to go ballistic.Unfortunately for Mark, the Llarst, violent aliens who already fought one war with Earth, have taken his mother and the other archaeologists hostage. And if the Llarst find what they’re looking for, all of Earth will be in danger.