Birch, Robin.

Hard-headed dinosaurs / by Robin Birch. - Philadelphia : Chelsea Clubhouse Books, a division of Chelsea House Publishers, c2003. - 32 p. : col. ill. ; 21 cm. - Dinosaur world . - Birch, Robin. Dinosaur world. .

Includes index.

Dinosaurs -- Hard heads -- Pachycephalosaurus -- Psittacosaurus -- Triceratops -- Styracosaurus -- Pachyrhinosaurus -- Names and their meanings.

Describes the appearance, eating habits, and habitat of hard-headed dinosaurs, including Pachycephalosaurus, Psittacosaurus, Triceratops, Styracosaurus, and Pachyrhinosaurus.

ISBN: 0791070514

LCCN: 2002000843

Subjects--Topical Terms:
Ornithischia.
Ornithischians.
Dinosaurs.

LC Class. No.: QE862.O65 / B574 2003

Dewey Class. No.: 567.914