Octave Mirbeau is very similar to Jonathan Swift. If you like one, you'll probably enjoy the other.
The scathing satire in this book isn't for everyone, but it is certainly entertaining. The only problem I found with this so-called novel is the construction. Think of it as a series of vignettes and stories concocted with very clear lampooning in mind, and cobbled into a scenario as thin as they come.

I was reminded of Magic Mountain - guy at a sanatorium, observing people. But the characters you meet in this book are beyond outrageous. They betray their fascinations and obsessions in every sentence. Woven into the fabric of the narrative is a bold lack of shame. Mirbeau relishes his wit. I found the use of ellipses distracting. Like Celine, they were an integral part of every sentence. Instead of analyzing their significance, I tended to ignore them.

As an experiment, I would call this book wildly successful. As a novel, I'd label it eccentric, an anti-novel. Mirbeau is a caricature artist at bottom. Torture Garden was more enjoyable, in my opinion because I have a soft spot for voyages. The connective tissue was more immersive, and the satire less blatant. But this is still a must-read for appreciators of Zola, Celine, Swift, and the like. ( )

Please read my review at the New York Journal of Books:

http://www.nyjournalofbooks.com/book-review/twenty-one ( )