Racine, WI: Golden Press (Western Publishing Company), 1995. Hardcover. Good. 24 pages; heavy edge wear, scuffing to covers; interior spotless; Golden Books 105-84
New York: HarperEntertainment, 1997. Trade Paperback. Very Good. 0064406784 light edge wear; A computer-run building operations system goes awry - killing the company CEO and the FBI investigator assigned to the case. Mulder and Scully's preliminary investigation shows that only one person has the technical know-how to override the system: Brad Wilczek, the high-strung young computer whiz who created the program. But is Wilczek the driving force behind the havoc? Or has the Central Operating System developed a malevolent mind of its own . . ?