Bok or Book: How To spell?
The word Bok is misspelled against Book, a noun meaning "A collection of sheets of paper, or similar material, blank, written, or printed, bound together; commonly, many folded and bound sheets containing continuous printing or writing."
Book has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings b & k which should not be misspelled with single 'O'
Wrong Spelling:  b-o-k  Correct Spelling:  b-oo-k 
Find more incorrect spellings of Book to spell right way.