Bargsten was lying in his bunk reading a travel book, immersed in a chapter called "Middletown, U.S.A.", as the submarine chaser  gained a Q.C. (sonar) contact on U-521 and closed in for the attack.
While aboard the submarine chaser, Bargsten was engrossed in a travel book titled "Middletown, U.S.A." when they detected a sonar contact with the enemy submarine U-521 and prepared for an attack.