Chapbok or Chapbook: How To spell?
The word Chapbok is misspelled against Chapbook, a noun meaning "Any small book carried about for sale by chapmen or hawkers. Hence, any small book; a toy book."
Chapbook has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings chapb & k which should not be misspelled with single 'O'
Wrong Spelling:  chapb-o-k  Correct Spelling:  chapb-oo-k 
Find more incorrect spellings of Chapbook to spell right way.