Ruth Spiro

Baby Loves Quarks!

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Ruth Spiro Baby Loves Quarks!

4,3

Baby Loves Aerospace Engineering!

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Ruth Spiro Baby Loves Aerospace Engineering!

4,2

Baby Loves Thermodynamics!

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Ruth Spiro Baby Loves Thermodynamics!

4,1

Baby Loves Quantum Physics!

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Ruth Spiro Baby Loves Quantum Physics!

3,9

Baby Loves the Five Senses: Sight!

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Ruth Spiro Baby Loves the Five Senses: Sight!

4,1

Baby Loves Scientists

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Ruth Spiro Baby Loves Scientists

4,1

Made By Maxine

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Ruth Spiro Made By Maxine

4,1

Baby Loves Lunar Phases on Chinese New Year!

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Ruth Spiro Baby Loves Lunar Phases on Chinese New Year!

4,1

Baby Loves Electrical Engineering on Christmas!

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Ruth Spiro Baby Loves Electrical Engineering on Christmas!

4,1

Baby Loves Political Science: Congress!

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Ruth Spiro Baby Loves Political Science: Congress!

4,0

Baby Loves Angular Momentum on Hanukkah!

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Ruth Spiro Baby Loves Angular Momentum on Hanukkah!

4,0

Maxine and the Greatest Garden Ever

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Ruth Spiro Maxine and the Greatest Garden Ever

3,7