Thanks so much! I can't believe I missed that. I changed it, and tried again to convert it, but this time I got different errors which I can't make sense of. I pasted the errors below. It seems like something is searching for my files in a completely wrong folder?
Info(prcgen):I1047: Added metadata dc:Creator "Daryl Alexy"
Info(prcgen):I1047: Added metadata dc:Publisher "PUBLISHER NAME"
Info(prcgen):I1047: Added metadata fixed-layout "true"
Info(prcgen):I1047: Added metadata orientation-lock "landscape"
Info(prcgen):I1047: Added metadata original-resolution "600x1024"
Info(prcgen):I1047: Added metadata zero-gutter "true"
Info(prcgen):I1047: Added metadata zero-margin "true"
Info(prcgen):I1047: Added metadata dc:Subject "ENTER LIBRARY OF CONGRESS HEADINGS HERE"
Info(prcgen):I1047: Added metadata dc:Rights "Copyright 2013 - All Rights Reserved"
Info(prcgen):I1047: Added metadata dc:Type "FICTION/Children's/humor/illustrated."
Info(prcgen):I1047: Added metadata dc
escription "ENTER BOOK BLURB HERE"
Info(prcgen):I1002: Parsing files 0000004
Info(prcgen):I1003: Parsing file URL: cover.html
Warning(prcgen):W14010: media file not found C:\Users\STUMPY~1\AppData\Local\Temp\mbp_7DD_4_1D_ 15_3A_2F_174_DC4_165C_1\html\images\cover.jpg
Info(cssparser):I10005: CSS file not found "C:\Users\STUMPY~1\AppData\Local\Temp\mbp_7DD_4_1D _15_3A_2F_174_DC4_165C_1\html\css\cover.css"
Info(prcgen):I1003: Parsing file URL: page1.html
Info(cssparser):I10005: CSS file not found "C:\Users\STUMPY~1\AppData\Local\Temp\mbp_7DD_4_1D _15_3A_2F_174_DC4_165C_1\html\css\page1.css"
Info(prcgen):I1003: Parsing file URL: page2.html
Info(cssparser):I10005: CSS file not found "C:\Users\STUMPY~1\AppData\Local\Temp\mbp_7DD_4_1D _15_3A_2F_174_DC4_165C_1\html\css\page2.css"
Info(prcgen):I1003: Parsing file URL: page3.html
Warning(prcgen):W14010: media file not found C:\Users\STUMPY~1\AppData\Local\Temp\mbp_7DD_4_1D_ 15_3A_2F_174_DC4_165C_1\html\images\page3.jpg
Info(cssparser):I10005: CSS file not found "C:\Users\STUMPY~1\AppData\Local\Temp\mbp_7DD_4_1D _15_3A_2F_174_DC4_165C_1\html\css\page3.css"
Info(prcgen):I1016: Building enhanced PRC file
Info(prcgen):I1015: Building PRC file
Info(prcgen):I1049: Building table of content URL: C:\Users\STUMPY~1\AppData\Local\Temp\mbp_7DD_4_1D_ 15_3A_2F_174_DC4_165C_1\toc.ncx
Error(prcgen):E24010: Hyperlink not resolved in toc (One possible reason can be that the link points to a tag with style display:none):C:\Users\STUMPY~1\AppData\Local\Temp \mbp_7DD_4_1D_15_3A_2F_174_DC4_165C_1\html\page01. html#
Error(prcgen):E24001: The table of content could not be built.