Explorer, Journey To The Center of the Atom! — Carol Gaskin

You are the explorer. You journey to places no one has ever been and face dangers no one has ever known. Now you have a new assignment: Enter subatomic space to find the smallest particle of matter in the Universe. As you approach microscopic size, you are attacked by a deadly mosquito. Nothing in your training has prepared you for a monster this big. Do you battle the mosquitto or continue to shrink? The choice is up to you.