Deadly Secrets

Extreme Zone #4

by Mark Sumner

Knowledge is power, but ignorance has a strength of its own. Through accident, blind searching, and faith, Noah and Harley have stumbled upon the world's most carefully guarded secret. They are about to witness the truth of the Extreme Zone.

Genres: Young Adult, Science Fiction

192 pages, Mass Market Paperback

First published April 1, 1997

About the author

Sometimes credited as Mark C. Sumner or M.C. Sumner.