OreillyAndAssociates have made many of their out-of-print books available at http://www.oreilly.com/openbook/

Among the books available are ''TheCathedralAndTheBazaar'' by EricRaymond; ''FreeAsInFreedom'', a new biography of RichardStallman; and '' Web Client Programming with Perl''.

There are also books on DocBook (DocBookTheDefinitiveGuide), LinuxOs, and many of their out-of-print books.

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See: BookList
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CategoryBooks, CategoryOnlineBook''''''s