Awdry, W. creator USA 1st. ed. 7 x 0.2 x 8 inches (hardcover) Thomas promised Sir Topham Hatt that he would carefully check all the signals on the new branch line. But when he is distracted by a carnival, he forgets all about the signals. That night, Percy has a close call on the new line when one of the signal lights is out. Will Thomas admit that he forgot to finish the job? Children's Literature Honesty Railroad trains Safety 9780375836718 127389