The Brilliant Dr. Wogan (Choose Your Own Adventure #17)

Beware and Warning! 
This book is different from other books.
 
You and YOU ALONE are in charge of what happens in this story.
 
There are dangers, choices, adventures, and consequences. YOU must use all of your numerous talents and much of your enormous intelligence. The wrong decision could end in disaster - even death. But, don't despair. At any time, YOU can go back and make another choice, alter the path of your story, and change its result.

A machine that could neutralize radiation would stop the threat of nuclear weapons! Peace worldwide could be possible. The machine has been designed, but when the mastermind behind the invention vanishes, along with the plans for the machine, the world is in trouble. You are the trusted assistant of Dr. Wogan, the missing inventor, and everyone looks to you to find her. Has she been kidnapped, or is she hiding on purpose? Be careful whom you choose to trust; some people will do anything to get power!