Bridge Base Online has announced that the excellent Bridge Master game will be free from Monday 7 January. Permanently.
Log onto BBO and click on the Practice area of the site to check it out. It is suitable for all levels, literally from novice to world-class players.
Bridge Master hands will improve your technique. It allows you to play a hand multiple times and the defensive hands may change if you do not take the best line. It will also show you and explain the best line if needed.
Give it a try and work your way up the levels.