Buffy Silverman

How Do Monster Trucks Work?

Buffy Silverman

$3.99 - $12.35

How Do Hot Air Balloons Work?

Buffy Silverman

$9.59 - $12.35

Simple Machines: Forces in Action

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$4.39 - $9.59

How Do Trains Work?

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$6.69 - $6.99

Do You Know about Reptiles?

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$5.19 - $6.89

Me and My Shadow: A Book About Light

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$4.89 - $15.19

How Do Fire Trucks Work?

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$9.49

How Do Formula One Race Cars Work?

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$6.69 - $12.35

How Do Jets Work?

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$6.19 - $9.69

On a Snow-Melting Day: Seeking Signs of Spring

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$7.39 - $29.35

Gliding Garter Snakes (Pull Ahead Books)

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$15.79

Bonobos

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$5.49

Composting

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$9.59 - $10.79

The World of Mario Bros.

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$6.79 - $7.09

Can You Tell a Frog from a Toad?

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$4.99 - $10.09

Unusual Traits

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$14.99

Body Parts: Double-Jointedness, Hitchhiker's Thumb, and More

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$5.09

How Do Tanks Work?

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$9.59 - $17.59

Can You Tell an Ostrich from an Emu?

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$9.39 - $9.79

Can You Tell a Dolphin from a Porpoise?

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$9.19

Zap! It's Electricity!

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$4.19

Desert Food Chains

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$13.79 - $14.49

Do You Know about Mammals?

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$5.49

Mini Horses

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$5.09 - $5.89

Can You Tell a Tyrannosaurus from an Allosaurus?

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$30.29

Can You Tell an Alligator from a Crocodile?

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$8.39 - $21.99

Do You Know about Birds?

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$5.09

Lighting Bolt Books: Do You Know about Fish?

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$11.99 - $23.19

Can You Tell a Cheetah from a Leopard?

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$6.59 - $11.39

Stop and Go, Fast and Slow: Moving Objects in Different Ways

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$3.99 - $9.95