Date: Tue, 17 Jun 2003 15:04:43 -0400 From: "Michael Walsh" <MJW@mail.press.jhu.edu> To: <WSFAlist@keithlynch.net> Subject: [WSFA] Re: Constructing Realistic Solar Systems Reply-To: WSFA members <WSFAlist@keithlynch.net> I suspect this non-fiction piece by the Master himself: Whirligig World = might prove of interest. It may be found in The Essential Hal Clement, = Volume 3: Variations on a Theme by Sir Isaac Newton (a NESFA Press book). There is also this non-fiction piece"Some Notes on XI Bootes" which will = be difficult to locate. It's a 12 page saddle-stapled booklet produced by = Advent as a give away to members of the 1960 Worldcon (Pittsburgh). My = recollection is that it dealt with planet building. My copy is currently = . . . so safely shelved, not even I can find it . . . mjw