Bookseling or Bookselling: How To spell?
The word Bookseling is misspelled against Bookselling, a noun meaning "The employment of selling books."
Bookselling has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings bookse & ing which should not be misspelled with single 'L'
Wrong Spelling:  bookse-l-ing  Correct Spelling:  bookse-ll-ing 
Find more incorrect spellings of Bookselling to spell right way.