15
Resources share the relationship contributor to Bolster, Rob
- Ultimate bug rumble, by Jerry Pallotta ; illustrated by Rob Bolster
- Extreme animal rumble, 5 books in 1!, by Jerry Pallotta ; illustrated by Rob Bolster
- Ultimate showdown, 5 books in 1!, by Jerry Pallotta ; illustrated by Rob Bolster
- Fiercest feuds, 5 books in 1!, by Jerry Pallotta ; illustrated by Rob Bolster
- Komodo dragon vs. king cobra, by Jerry Pallotta ; illustrated by Rob Bolster
- Lion vs. tiger, by Jerry Pallotta ; illustrated by Rob Bolster
- Ultimate jungle rumble, by Jerry Pallotta ; illustrated by Rob Bolster
- Killer whale vs. great white shark, by Jerry Pallotta ; illustrated by Rob Bolster
- Hammerhead vs. bull shark, by Jerry Pallotta ; illustrated by Rob Bolster
- Polar bear vs. grizzly bear, by Jerry Pallotta ; illustrated by Rob Bolster
- Ultimate ocean rumble, by Jerry Pallotta ; illustrated by Rob Bolster
- Tyrannosaurus rex vs. velociraptor, by Jerry Pallotta ; illustrated by Rob Bolster
- Battle royale, 5 books in 1!, by Jerry Pallotta ; illustrated by Rob Bolster
- Ultimate reptile rumble, by Jerry Pallotta ; illustrated by Rob Bolster
- Blue whale vs. mosquito, by Jerry Pallotta ; illustrated by Rob Bolster