"A quake triggers the appearance of strange black boxes on the Martian landscape. So Director Rawling asks 14-year-old virtual-reality specialist Tyce Sanders and his father to journey with him across the Martian plain. As Tyce approaches a box, he makes a startling discovery--one that could change life for everyone in the universe. That is, if Tyce lives to uncover the truth."

"The earth scientists call it a killer comet. Headed toward Mars, it threatens to destroy the dome and all who live in it. Their only hope is Tyce Sanders, who must learn to pilot a test space vehicle in only a matter of weeks. As the crisis worsens, Tyce discovers the comet is the least of the problems on Mars. And that the secrets and betrayals will test the strength of his new faith. "

"Director Rawling and three other scientists are trapped by a cave-in. Just as Tyce Sanders starts a rescue mission, rebels take over the science station. They threaten to kill their hostages, one at a time, until their demands are met--and time's running out. If Tyce can't stop the rebels soon, the trapped scientists will run out of air. And everyone under the dome will die. "

"A devious plot threatens the spaceship Moon Racer as Tyce, Ashley, and the crew near the end of their six-month journey from Mars to Eearth. Who's the rebel mastermind? Could it be one of the six other people on board? In a race against time Tyce must find out or the Moon Racer--and everyone aboard-- is doomed to crash into the sun!"

"A secret institute holds 23 kids prisoner, an evil part of the Terratakers' plot to take over the world. Their first target is the Governors' Summit in New York, only two days away. Tyce and Ashley must find a way to save the governors--and the world from war!"

"A military prison in the wild Florida Everglades holds Tyce, his dad, and Ashley hostage. With only six days left to rescue the kids at the secret Institute, they must find a way out. But who can they trust with Terrataker infiltrators everywhere? And how will they get back in time to save Tyce's dad?"

"When a nuclear reactor threatens to blow, Tyce must reveal his special talents to the world--that he can control a robot through virtual reality. Now he's in danger. The Terrataker rebels had hoped to keep this technology a secret, and Tyce is threatening their plans. As they get desperate, time begins to run out...for Tyce, his father, and the others Tyce had hoped to save. "

"A Manchurian fleet threatens to overtake the eintire planet as soon as Tyce and Ashley arrive back on Mars. Contact with Earth has been lost--the dome is virtually defenseless. Someone must be aiding the enemy from inside the dome--but who? Tyce and Ashley must find out...before the approaching fleet arrives...and wins. "