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Are you Margaret Bar, author of the books below?
What is Matter? - Atoms, Molecules, and Heat by Margaret Bar Safety for Kids by Margaret Bar What Is Light? by Margaret Bar Where Time Walks by Margaret Bar Circle of Renewal by Margaret Bar When the World Is Too Loud by Margaret Bar When the Day Feels Too Busy by Margaret Bar What Is Radiation? by Margaret Bar Safety for Kids by Margaret Bar What Is a Comet? by Margaret Bar


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