The first part of “Evolution” was terribly boring and dry but extremely insightful and important to his view. Just the discussion of the climatic change influencing the migration patterns of early man was fascinating.
I also found it very interesting that the copies of Tragedy and Hope in the Chicago library system had all been stolen. So I had to buy my own.
Yes, parts of EoC are a definite slog, but as is common with Quigley's work, there are fascinating insights to be had. I'll cite his analysis of the Pakistani-Peruvian axis an example - you pretty much have to slog through most of the 1300+ pages of Tragedy and Hope to get to it, but it's one of the book's gems.
At some point, the plates for half of Tragedy and Hope were destroyed, and an edition was put out that was only one half of the book.