NOTE: THIS IS A PRE-PRINT DRAFT VERSION OF: "Reassessing Authorship of the Book of Mormon Using Delta and Nearest Shrunken Centroid Classification" published in Literary and Linguistic Computing. The published version includes a variety of editorial changes, several corrections of fact, and one correction of a data processing error. Interested readers are advised to consult the published version of this paper: Jockers, Matthew L., Daniela M. Witten, and Craig S. Criddle. "Reassessing Authorship of the Book of Mormon Using Delta and Nearest Shrunken Centroid Classification." Literary and Linguistic Computing, December 2008; 23: 465 - 491; doi 10.1093/llc/fqn040 (online at http://llc.oxfordjournals.org/cgi/content/short/fqn040v2 )