Murder At Zero Hour by Paul Westwood

From the safety of America, William Grant watches as the Great War rages in Europe. Itching for adventure, he travels to Britain to join the army. After a harrowing journey, Grant is accepted into a newly formed regiment. He is posted to France, where he must learn to survive the horrors of war. A popular captain is killed, and all the evidence points to murder. Who in the regiment did the deed? With the help of his comrades, Grant must survive the Battle of the Somme and the evil intentions of an unknown murderer, all while trying to earn the love of a beautiful nurse.