Nate Connor is a book series involving incredible events in the life of teenaged Nate Connor. In each episode, Nate finds himself in remarkable places while encountering strange events. These unfamiliar circumstances test Nate's cunning, courage, and resolve as he and his friends solve an array of mysteries.

In the book, Nate Connor - Mystery of the Carbon River Mine, Nate and his younger brother, Ricky, return home to Washington State to stay under the guardianship of their war-vet uncle, Hank. A competitive and antagonistic teenager named Clark is introduced in this book as an irritating character from

Nate's past. Back in school, Nate develops a keen interest in Washington State's environmental issues. Thanks to the influence of his knowledgeable life sciences teacher, Mr. Jensen. While conducting a water quality experiment, Nate finds traces of cyanide in the Carbon River. Nate, along with his Science Club friends, Sandra, Burny, and Sam, decide to investigate the source of the deadly poison in the water. Unfortunately, their search leads them into danger.

Is Clark behind the scenes?