3 ms·

Looking in the Amazon description, 6.6 pounds each?

• siyer 10y ago
  And you feel every ounce of those when reading them. Most good versions of this class of book are this heavy (typically prescribed for the late 'undergrad'/first year grad introductory class reading). The neuroscience equivalent (Kandel, Schwartz, Jessell) is 8.7 pounds, with very thin pages.