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This book is an excellent collection of technical papers for the professional or advanced amateur. It's sort of a snapshot of the forefront of ornithopod (e.g. Iguanodon, duckbilled dinosaurs, horned dinosaurs) paleontology.
If you don't have a background in paleontology, you'll most likely be happier reading other material. On that note, here are some of my recommendations for easier, less-technical reading that anyone can be happy with: Peter Dodson's "The Horned Dinosaurs"; Farlow and Brett-Surman's "The Complete Dinosaur"; Czerkas and Olson's "Dinosaurs: Past and Present (Vol. 1-2)"; Greg Paul's "The Scientific American Book of Dinosaurs." The first in that list is the only one with a single author (and the only one that really needs to be read straight-through). The rest are collections of stand-alone articles that shouldn't have the reader seeking an outside reference. Also, those compilations include topics beyond just ornithopod dinosaurs. All of those are rather well-illustrated; "Dinosaurs P & P" is the best along those lines. Since Dodson's book is the only one I mentioned as a straight-through read, I feel compelled to mention others, though off-topic: I believe Michael Novacek's "Dinosaurs of the Flaming Cliffs" and "Time Traveler" and Peter Ward's "Gorgon" are all excellent.
Il libro raccoglie le ricerche effettuate dalle massime autorità paleontologiche specializzate sulle famiglie di quei dinosauri conosciuti come Ceratopsidi, Ornitopodi e Adrosauri. La materia è trattata in modo molto tecnico ed il libro è consigliato agli appassionati che vogliono approfondire le proprie conoscenze e aggiornarsi sulle scoperte più recenti. Di notevole interesse i capitoli che rivalutano le tesi dei pionieri della paleontologia e i percorsi speculativi che li hanno portati a delle conclusioni oggi smentite. Libro altamente consigliato.