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    A Signed Draft of an Obscure Non-Fiction Article with a Number of Notes in Heinlein's Own Hand

    Robert A. Heinlein. Signed Early Photocopy Draft of a Nonfiction Article "Are You a Rare Blood?" - With Other Material.

    Thirty-eight photocopied sheets (text on recto only) of what would become an encyclopedia entry on blood types for the Compton Yearbook of 1976 (an annual supplement volume to the Britannica-owned Compton's Encyclopedia and Fact-Index). On the front page is an inked inscription by Heinlein: "For Karl T. Pflock who pitched and helped when I needed help! Robert." Pages 25 through 38 are marked by the author "Not Copy"; they contain notes and bibliographic citations ranging from punctilios to chatty - Heinlein refers to these passages as "just some remarks for those few who will see this in MS rather than in book form next spring."

    Also included is a page headed: "A private postscript to RARE BLOOD." Two personal notes from Heinlein to Karl T. Pflock on index cards have been taped (presumably by Heinlein) to a sheet of pink typing paper. One is typed, and initialed "R.A.H." in type. The other is handwritten in red felt pen, and signed by Heinlein using his initials.

    In original manila mailing envelope with Heinlein's return address label. Pflock has written the received date on the front of the envelope: "12/19/75."

    Karl T. Pflock was a noted ufologist, science fiction writer, and frequent contributor to Reason magazine.

    A wonderful association copy of an obscure work of Heinlein, in fine condition.

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