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On a Flake-Flying Day - Watching Winter's Wonders
Buffy Silverman
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On a Gold-Blooming Day - Finding Fall Treasures
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On a Snow-Melting Day - Seeking Signs of Spring
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Let's Visit the Rain Forest
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Let's Visit the Desert
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Let's Visit the Evergreen Forest
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Let's Visit the Lake
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Mars Missions - A Space Discovery Guide
Buffy Silverman
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Body Parts - Double-Jointedness Hitchhiker’s Thumb and More
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Can an Old Dog Learn New Tricks? - And Other Questions about Animals
Buffy Silverman
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Can You Tell a Brachiosaurus from an Apatosaurus?
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Can You Tell a Giganotosaurus from a Spinosaurus?
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Can You Tell a Stegosaurus from an Ankylosaurus?
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Can You Tell a Triceratops from a Protoceratops?
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Can You Tell a Tyrannosaurus from an Allosaurus?
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Can You Tell a Velociraptor from a Deinonychus?
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Hair Traits - Color Texture and More
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How Do Hot Air Balloons Work?
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How Do Jets Work?
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How Do Space Vehicles Work?
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Unusual Traits - Tongue Rolling Special Taste Sensors and More
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Do You Know about Amphibians?
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Do You Know about Birds?
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Do You Know about Fish?
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Do You Know about Insects?
Buffy Silverman
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Do You Know about Reptiles?
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Do You Know about Mammals?
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Exploring Dangers in Space - Asteroids Space Junk and More
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¿Sabes algo sobre anfibios? (Do You Know about Amphibians?)
Buffy Silverman
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¿Sabes algo sobre aves? (Do You Know about Birds?)
Buffy Silverman
