I’ve mentioned this before, but the Henri Lefebvre who wrote Les unités perdues (2004, 2011), translated by David L. Sweet as The Missing Pieces (2014), is not the Henri Lefebvre who wrote The Production of Space and The Critique of Everyday Life, among many other works.  For one thing, the more famous one was long dead when The Missing Pieces was published. The book’s final remarks

No, not that Henri Lefebvre – The Missing Pieces