Ad for The Silent Invasion Book One collection by Larry Hancock and Michael Cherkas, 1988.

Ad for The Silent Invasion Book One collection by Larry Hancock and Michael Cherkas, 1988.

Promotional poster for The Silent Invasion by Larry Hancock and Michael Cherkas, 1986.

Promotional poster for The Silent Invasion by Larry Hancock and Michael Cherkas, 1986.

Promotional ad for The Silent Invasion by Larry Hancock and Michael Cherkas, 1987.

Promotional ad for The Silent Invasion by Larry Hancock and Michael Cherkas, 1987.