Google’s Discrepancy in Displaying Title for Search Result

As you can see from the highlighted section of the above image, Google is giving more weightage to its Search Result from Google Books. The above Search Result for a keyphrase-health foods on Google SERP is displaying 78 Characters without spaces and 91 Characters with spaces. Its higher than Google's Search result for others websites i.e approx. 55 Characters with no spaces and 61 Characters with spaces.