[Tutor] Private and Public variables

[Alan Gauld]

> Oh.  I must be thinking of some other book -- I could have sworn
they
> had a book like this that only used Ruby.

The same two authors wrote the first significant English book
on Ruby (now available online too*) and are huge Ruby advocates,
but the Pragmatic Programmer is largely not about languages
per se but about general good software practice.

Alan G.

(*)
http://www.rubycentral.com/book/index.html