A collection of three science fiction novels by Christopher Coates, now available in one volume!

Alternate Purpose: After a global pandemic devastates the world, two scientists come up with a solution: send someone back in time to prevent the horrible accident that released the pathogen on the world. Devin Baker is selected for the mission that will define the future of their world, and soon, he has to overcome challenges beyond his comprehension - and come to terms with a past he's not ready to face.

The Ark: After an unusual comet is found approaching Earth, scientists discover that its radiation will wipe out all life on the planet. Soon after the discovery, the government builds a protected sleeper facility to save humankind from extinction. But when the sleepers awaken, they discover that something has gone terribly wrong, and must find a way to survive in a strange world that is not the one they fell asleep in.

The Resurrection Wager: After a man of science and a man of faith develop the ability to move backward in time, there is only one place for them to go. Making a wager about whether or not the resurrection of Jesus really happened, the two set out to prove it one way or the other. Along the way, they face obstacles andchallenges from those who would use their technology for personal gain. What will they do when they learn about the damage and lives destroyed by what they have created?