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Poison Dart Frogs (Animals of the Rain Forest)
Bald Eagles (North American Animals)
UFOs (Unexplained Mysteries)
Mountain Goats (Animals of the Mountains)
Crows (World's Smartest Animals)
Scorpion vs. Tarantula (Animal Battles)
The Loch Ness Monster (Unexplained Mysteries)
Dams (Everyday Engineering)
Wolverine vs. Honey Badger (Animal Battles)
Roller Coasters (Everyday Engineering)
Light (Science Starters)
Hippopotamuses (Animals of the Wetlands)
Harp Seals (Animals of the Arctic)
Goby Fish and Snapping Shrimp (Animal Tag Teams)
Snow Leopards (Animals of the Mountains)
Arctic Foxes (Animals of the Arctic)
Gravity (Science Starters)
Hedgehogs - Blastoff! Readers: Animal Safari
Puffer Fish - Blastoff! Readers: Oceans Alive
Squids - Blastoff! Readers: Ocean Life Up Close
Poison Dart Frogs - Blastoff! Readers: Animals of the Rain Forest
Airplanes Blastoff Readers Mighty Machines In Action
Warthogs and Banded Mongooses - Blastoff! Readers: Animal Tag Teams