The children's book "The Three railway Engines" was first published in 1945; the year was 1984 when the animated Thomas the Tank Engine & Friends made its broadcast debut in the U.K. The television series was an instant success and by 1989 it made its American debut on Public Broadcasting Service; in 2003 the popular program was renamed Thomas & Friends?. Throughout, the storyline has revolved around a group of feisty and adventurous train engines, each with their own distinct character and personality; the popular franchise has spawned a wide range of children's products including bedding, toys and clothing. The diverse product line includes wearables such as children's socks, toddler briefs and slippers; bedding such as character blankets and comforter sets; toddler toys such as pop?up tents and model trains; educational aids including learning series books, time teacher watches and more.