Citadel of Fear is like a theme park - there are a couple of crazy moments with long waits between them. It’s obviously tricky to judge serialized pulp from the 1920s by today’s standards, but the middle of this thing just really slogs.

I could't get into this book. There was just too much of a story stretched out over too long of a time frame that it never really got to the point where anything on interest happened.

The booked started out in Mexico with a thrilling discovery of a lost city. The reader is then transported years later back to America with our main character where a string of events are laboriously stretched out.

There are much better pulp fiction or early sci-fi/fantasy books to explore.

As others have stated, about halfway through the story, there's an unusual change from an adventure story in the vein of Jules Vern or Robert Louis Stevenson to sort of a mystery or thriller. It's jolting enough that I found myself disoriented all the way to the end and the end probably should have been a gut punch. This book didn't work for me, but I give it credit for trying something different.

Had some good end of chapter cliffhangers but the story was just ok.

Assustador, maravilhoso, um misto de fantasia, terror, e mitologia asteca, uma narrativa muito bem construída. Adorei.