book.jl data is inconsistent with URLs

[freudiandrip]

Hey, I'm having issues similar to Issue #17 where the .jl book file seems to be sporadically displaying some results with only the URL while others are complete with all fields — authors.jl seems to be unaffected.

I ran crawl.py for this list 72680.Gilmore_Girls_Complete_Reading_List and have attached its output as a .txt file for reference. I'm wondering if this has to do with site layout changes? Thanks! book_gg_lit_canon.txt