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Resources share the relationship contributor to Bolster, Rob
- The Hershey's milk chocolate bar fractions book, by Jerry Pallotta ; illustrated by Robert Bolster
- Ultimate ocean rumble, by Jerry Pallotta ; illustrated by Rob Bolster
- Ultimate reptile rumble, by Jerry Pallotta ; illustrated by Rob Bolster
- Walrus vs. elephant seal, by Jerry Pallotta ; illustrated by Rob Bolster
- Ultimate jungle rumble, by Jerry Pallotta ; illustrated by Rob Bolster
- Battle royale, 5 books in 1!, by Jerry Pallotta ; illustrated by Rob Bolster
- Lobster vs. crab, 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
- Ultimate bug rumble, by Jerry Pallotta ; illustrated by Rob Bolster
- Hammerhead vs. bull shark, 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
- Jaguar vs. skunk, by Jerry Pallotta ; illustrated by Rob Bolster
- Rattlesnake vs. secretary bird, by Jerry Pallotta ; illustrated by Rob Bolster
- Tyrannosaurus rex vs. velociraptor, by Jerry Pallotta ; illustrated by Rob Bolster
- Ultimate dinosaur rumble, by Jerry Pallotta ; illustrated by Rob Bolster
- Alligator vs. python, by Jerry Pallotta ; illustrated by Rob Bolster
- Fiercest feuds, 5 books in 1!, by Jerry Pallotta ; illustrated by Rob Bolster
- Wolverine vs. Tasmanian Devil, by Jerry Pallotta ; illustrated by Rob Bolster
- Ultimate shark rumble, by Jerry Pallotta ; illustrated by Rob Bolster
- Hyena vs. Honey Badger, by Jerry Pallotta ; illustrated by Rob Bolster
- Coyote vs. dingo, by Jerry Pallotta ; illustrated by Rob Bolster
- Triceratops vs. spinosaurus, by Jerry Pallotta ; illustrated by Rob Bolster
- Icky bug numbers 12345, by Jerry Pallotta ; illustrated by David Biedrzycki and Rob Bolster, :
- Green ants vs. army ants, by Jerry Pallotta ; illustrated by Rob Bolster
- Falcon vs. hawk, by Jerry Pallotta ; illustrated by Rob Bolster
- Polar bear vs. grizzly bear, by Jerry Pallotta ; illustrated by Rob Bolster