dark T-rex.jpg
Pachycephalosaurus.jpg
styrachosaurus.jpg
 visit  www.patrickobrienbooks.com
 visit  www.patrickobrienbooks.com
PaleoWorld.jpg
astrodon.jpg
dimetrodon.jpg
Tyrannosaurus rex.jpg
ankylosaurus icon.jpg
Pterosaur icon.jpg
Stegosaurus icon.jpg
uintatherium.jpg
 from the   children's book "Gigantic"   by Patrick O'Brien
 from the   children's book "Gigantic"   by Patrick O'Brien
 from the  children's book    "Gigantic"   by Patrick O'Brien
 from the  children's book " Gigantic "  by Patrick O'Brien
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