the book is sometimes insufferably boring, but the last part of the book is a thorough and sound comparison of the text in lübeck/tallinn with des dodes dantz and dodendantz.

Write the above sentence using proper case.
The book is sometimes insufferably boring, but the last part of the book is a thorough and sound comparison of the text in Lübeck/Tallinn with Des dodes dantz and Dodendantz.