CHAPTER THREE: Capture and Drive!

CHAPTER FOUR: Find the Needle!

CHAPTER FIVE: The Gray World

CHAPTER SIX: Rip's Planet

CHAPTER SEVEN: Earthbound!

CHAPTER EIGHT: Duck--or Die!

CHAPTER NINE: Repel Invaders!

CHAPTER TEN: Get the Scorpion!

CHAPTER ELEVEN: Hard Words

CHAPTER TWELVE: Mercury Transit

CHAPTER THIRTEEN: Peril!

CHAPTER FOURTEEN: Between Two Fires

CHAPTER FIFTEEN: The Rocketeers

CHAPTER SIXTEEN: Ride the Planet!

CHAPTER SEVENTEEN: Visitors!