Mike Evans goes through the time portal to find his friend Shannon and her troublesome brother Jeff, but he soon finds they all have bigger problems--a robot who wants to repopulate the Earth with dinosaurs and a group of Tyrannosaurus rex babies who remember Mike from New York.

Michael Evans is in Montana on a dinosaur dig with his paleontologist father, but he certainly never expected to find a live Tyrannosaurus Rex plucked out of its own time and looking for dinner, nor encounter a girl with some very advanced technology trying to trap the beast.

To find the evil Mr. Bones, Mike and Shannon will have to follow the fossils-even if it leads them to an ancient dinosaur graveyard in Antarctica! (Hint: it does.) Because of continental drift, the dinosaur fossils Mr. Bones thought were in Australia are actually in Antarctica. But make no bones about it-this villain still intends to cover every continent with reborn dino-slaves ... and take over the world! Each book in this action-packed series is...

To find the evil Mr. Bones, the young dino tracker, Mike Evans and his best friend, Shannon, follow a trail of fossils to an ancient dinosaur graveyard. The dino fossils Mr. Bones thought were in Australia are actually in Antarctica! But make no bones about it-- this villain still intends to cover every continent with his reborn dinosaur followers...

Having been defeated in Australia and Antarctica, the evil Mr. Bones hides out somewhere he's sure he won't be found: the Moon! But the joke's on him. The young dino tracker Mike Evans and his best friend, Shannon, take to space to face off against their enemy in a lunar showdown of dino-sized proportions! But when they finally track him down, they realize Mr. Bones isn't at all what he seems to be.