This book has been released under the following alternate titles:-
The New Lieutenant
WWI: Tom Chatto is Second Officer and navigator of the liner Orsino, when she comes under attack from the German cruiser Dresden. He safely guides the ship home, then volunteers for the Royal Naval Reserve. Soon he is the navigator of the Thornton, whose task is to lure U-boats to the surface.
Author: Philip McCutchan
Title: Tom Chatto, RNR
Series: Tom Chatto
First Published by: Weidenfeld & Nicholson
Date: August 1996