Last night I completed 12 Word Searches, a free PDF puzzle book that is very very good. It will probably take you an hour or two. Please check it out.
however I think my brain is starting to break an hour or two in
EDIT: I have finished it. below the read more is now the solutions as written in my notes, so this is only for the author to click through!!
and I'm only now (after finishing) realizing that I missed a big component, distrusted another, and still succeeded. in my defense I think I was tricked into one of these on purpose, but overall I still really like the design