The reference manual is fantastic: http://www.lua.org/manual/5.1/manual.html http://www.lua.org/manual/5.1/manual.html I rarely need to refer to anything else.

The reference manual is fantastic: http://www.lua.org/manual/5.1/manual.html http://www.lua.org/manual/5.1/manual.html I rarely need to refer to anything else. When learning you should read PiL (Programming in Lua)