25 Books - Have you always wanted every book in The Who Would Win Series? This set contains all 25 paperback titles from the Who Would Win Book Series, with 20 wild matchups and 5 Rumble Fights. This set now features a variety of over 100 mammals, dinosaurs, sea creatures, and bugs to entertain all kinds of young readers. Which wild animals would win a deadly fight? This set features a variety of over 100 new birds, dinosaurs, insects, and mammals! Students and young readers explore the facts and characteristics between two wild animals. Facts and Photos provide a contrast between two different creatures; comparing their brain structures, bodies, behaviors, and abilities. Now Featuring 20 Wild Matchups! 1. Alligator vs. Python 2. Hammerhead vs. Bull Shark 3. Hornet vs. Wasp 4. Hyena vs. Honey Badger 5. Jaguar vs. Skunk 6. Komodo Dragon vs. King Cobra 7. Lion vs. Tiger 8. Lobster vs. Crab 9. Polar Bear vs. Grizzly Bear 10. Rattlesnake vs. Secretary Bird 11. Rhino vs. Hippo 12. Tarantula vs. Scorpion 13. T-Rex vs. Velociraptor 14. Triceratops vs. Spinosaurus 15. Walrus vs. Elephant Seal 16. Killer Whale vs. Great White Shark 17. Whale vs. Squid 18. Wolverine vs. Tasmanian Devil 19. Green Ants vs. Army Ants 20. Falcon vs. Hawk And 5 Rumble Fights: 1. Ultimate Bug Rumble 2. Ultimate Shark Rumble 3. Ultimate Jungle Rumble 4. Ultimate Ocean Rumble 5. Ultimate Dinosaur Rumble