Two more Kathryn Cramer purchases: Clement, Hal. Some Notes on Xi Bootis. Advent: Publishers, 1960. First edition chapbook original, one of 500 copies (per Chalker Ownings), a Fine copy save a penciled “118” at top rear left corner. Given away as a freebie at the 1960 Pittsburgh Worldcon, where Clement gave a speech on the… Continue reading Library Additions: Signed Firsts of Hal Clements’ Xi Bootis, Still River