Which book covers British battleship fire-control systems?

What is a good source on these British battleship fire-control systems?

British Battleships of World War One is recommended as the better volume for this subject.

The recommended reading is British Battleships of World War One. Other British battleship books also contain useful material, but the First World War volume is preferred for this subject. The recommendation concerns the fire-control systems being discussed alongside the shell-quality problem.