The Blob That Ate Everyone is a novella written by R. L. Stine. It was first published in 1997 and was the 55th book in the original Goosebumps book series.
Description[]
Aspiring writer Zack is given a typewriter and pen by a woman whose shop was destroyed in a lightning storm. The typewriter is just what Zack needs to finish his story about a monstrous blob, but Zack and his best friend Alex soon discover that life has a horrifying way of imitating art.