Bassi Gruen

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The Desert Delicacy
$7.99
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Calendar Calculations
$7.99
Every culture and civilization has set up some sort of calendar, and there are forty different calendars currently in use. Let’s take a...
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Brickmaking
$7.99
Let’s take a look at how bricks have been made from ancient times until today.
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Stone Holes
$7.99
How much do you know about caves? Come discover the origins and attributes of the rocky hiding places.
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Healthy Spears
$7.99
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Say Cheese
$7.99
Let’s take a look at how cheese is produced.
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River of Life
$7.99
The blood inside our bodies is called “the river of life,” and we couldn’t stay alive without it. Let’s take a look...
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The Shirt on Your Back: Beginnings
$7.99
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Watermelon Wonders
$7.99
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Two Wheel Wonder
$7.99
No matter how old you may be, I bet you still remember the day you were finally able to ride a...
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The Shirt on Your Back: From Cloth to Clothing
$7.99
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The Tricky Triangle
$7.99
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The Shirt on Your Back: Fabric Emerges
$7.99
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The Alligator Pear
$7.99
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Mammals in the Sea
$7.99
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Braille: Lighting the Dark
$7.99
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Hatchoo to You
$7.99
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Bone Cement
$7.99
“Drink up your milk,” says your mother, “it’s good for your bones.” Did you ever wonder why? What does milk contain, and how...
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Chalk it Up
$7.99
Ever wonder how chalk is made, and what it is made from? Many assume it is made from natural chalk,...
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A is for Apple
$7.99
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What to Wear to War
$7.99
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What a Nut!
$7.99
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The Royal Gem
$7.99
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Bows & Arrows
$7.99
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The Bark We Eat
$7.99
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Snow Smarts
$7.99
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The Crucial Count
$7.99
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The Tallest Grass
$7.99
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Desert Lives
$7.99
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Crack that Code Part III
$7.99
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Crack that Code Part II
$7.99
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Crack that Code Part I
$7.99
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