Title: Tcl/Tk Programação Linux Author: Alexander Franca Date: 2005 Price: $40 US Paperback: 392 pages Publisher: Brasport ISBN: 857452221x ISBN-13: 9788574522210
URL: http://www.brasport.com.br/linux/programacao-1-2/tcl-tk-programacao-linux.html
Best Tcl/Tk book available in Brazilian portuguese. Easy to read and full of examples.