he gets off the train with a shoebox full of postcards and that was the start. >> that's the start. >> reporter: with the help of his brother, they begin making and selling a new kind of card, a greeting card that you put inside an envelope. all these years later, who is writing them? andrew blackburn, for eight years now. >> as a hallmark writer, you kind of get into the spirit of christmas a lot earlier than most people do. >> reporter: his sister, mother and father, inspiration. i love what andrew told us. >> y. >> reporter: that it comes from his parents, that's his inspiration. >> absolutely. unfortunately, we're sold out, because it sold so well. >> reporter: andrew's parents. they deserve the credit. >> inspiration, yes. >> reporter: amy, 12 1/2 years writing. >> from the writing that i do, the lettering, the illustration, it all happens right here in this building. >> so, we have amy's card right here. >> reporter: amy. thanks to you, mom, i always know what matters most. it's true for me, too. and keelie chase, writing for 17 years now. >> i'm watching movies, you know, everybody loves to watch at christmas time, i'm listening