Dinosaurs of darkness, by Thomas H. Rich and Patricia Vickers-Rich.
Patagonian Mesozoic reptiles, edited by Zuilma Gasparini, Leonardo Salgado, and Rodolfo A. Coria.
Some very nice reading ahead of me!
P.S. Magnificent Mihirungs, from the same series, is sorely tempting me, but I'm gonna make myself wait until more of my current workplace book orders have cleared ...