Witchy Books for Fall

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Are you Robert P. Kirshner, author of the books below?
The Extravagant Universe by Robert P. Kirshner Cosmic Questions by Robert P. Kirshner Invited Papers by Louis Leprince-Ringuet The Hubble Cosmos by David H. DeVorkin The Hubble Cosmos (DR 1st) by David H. DeVorkin


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