A PDF build of the documentation for Boost-1.41 (for those libraries that support it) is now available from the usual sourceforge download site: https://sourceforge.net/projects/boost/files/ in the boost-docs/1.41.0 folder. Direct URL's are: https://sourceforge.net/projects/boost/files/boost-docs/1.41.0/boost_pdf_1_4... (23Mb) https://sourceforge.net/projects/boost/files/boost-docs/1.41.0/boost_pdf_1_4... (22.5Mb) https://sourceforge.net/projects/boost/files/boost-docs/1.41.0/boost_pdf_1_4... (22.2Mb) https://sourceforge.net/projects/boost/files/boost-docs/1.41.0/boost_pdf_1_4... (21Mb) Enjoy! John.