The contents of the Provo Corpus are described in
Luke, S.G. & Christianson, K. (2018). The Provo Corpus: A Large Eye-Tracking Corpus with Predictability Ratings. Behavior Research Methods, 50, 826-833. https://doi.org/10.3758/s13428-017-0908-4
Data can be downloaded below:
Predictability Norms are in the file Provo_Corpus-Predictability_Norms.csv
Eye-tracking data are in the file Provo_Corpus-Ey...