On Mar 12, 2008, at 9:27 PM, Christopher Dicely wrote: > > The 2nd and 3rd editions of Programming Ruby do have those. > > Of course, the 2nd and 3rd editions aren't free. But I did contribute all the descriptions of the built-in methods and classes back into the source code, and then wrote RDoc so they could be extracted into HTML and published (for example on ruby-doc). So, really, they are free. If you wanted just the builtins, it would be trivial to run rdoc on just the .c files in the ruby source directory itself. Dave