The Knight in Screaming Armor

The Knight in Screaming Armor was the ninth book in the Give Yourself Goosebumps gamebook series. It was written by R.L. Stine and illustrated by Mark Nagata. It was preceeded by The Curse of the Creeping Coffin and followed by Diary of a Mad Mummy

The prismatic hologram cover design consisted of spiked circles, and the cover illustration consisted of a knight suit on top of a horse with a steel bird flying behid it.

Plot
Your cousins from England are visiting, and they have brought gifts! Two knight suits from the mideval times, the 1400s, to be exact. One suit is marked Good Knight, and the other suit is marked Evil Knight, as the evil suit was cursed by a sorceress. Your family is cursed, and the knights are here to deliver the curse! Which crate will you open? Will you be hypnotized by the Evil Knight, or turned into a mannequin by the Good Knight? That's not all. There is also a gardener, mud monsters, and evil sheep!