KBS 2TV's popular series 'Invincible Youth' have announced that they will release a photo-book and calendar. On October 28th, PD Kim Ho Sang said to TV Report, 'On November 22nd, we will release a photo-book. We took nearly 10,000 photos over the past year, and so we're currently in the process of choosing which ones to put in. Also, a calendar release is planned for the end of the year'. As 'Invincible Youth' is a show in which highly-popular female idols appear on, it's expected that the merchandise will be�extremely�popular. Source: TV Report via Nate Image: �KBS