It [[File:Harrison's.jpg|400px|thumb|left|''Each book stands over 30 stories tall'']] '''Harrison's ''Principles of Internal Medicine''''' is not only the definitive textbook on internal medicine since it was published in 1950, but also the heaviest textbook ever written in the history of mankind, weighing slightly over 3 300 metric tons. Its construction is a modern marvel much like the ancient Pyramids.
[[Category:Medical Terminology]]