The World and Character sheets are available for online for Sign in Stranger (http://www.blackgreengames.com/sis.html), as well as errata for the first print run.
http://www.blackgreengames.com/sis/SigninStranger_Sheets.pdf (http://www.blackgreengames.com/sis/SigninStranger_Sheets.pdf)
http://www.blackgreengames.com/sis/SiSAugust2009-errata.pdf (http://www.blackgreengames.com/sis/SiSAugust2009-errata.pdf)
Page 23 of the PDF version of Shooting the Moon (http://www.blackgreengames.com/stm.html) had an omission. The corrected page is also now available at the website.
http://www.blackgreengames.com/stm/StMp23PDF.pdf (http://www.blackgreengames.com/stm/StMp23PDF.pdf)