George Richard. Framingham, MA: NESFA Press 2000. First Edition. 506,  pages. 8vo. Publisher's blue/green cloth with color printed dust jacket. SIGNED as both Hal Clement and Harry Stubbs on the title page. An unread copy, crisp and clean. Fine / Fine. Cloth. 
Hal was a fixture for many years at the Boskone and Readercon conventions in the Boston MA area. We could hear him coming by his whistling, and recognize him instantly by his Boyscout neck laynard.