The RSNA site at www.RSNA.org/IDoR2013 has available various materials to help mark International Day of Radiology this Friday, including some newly added items:
IDoR poster (color)
The Story of Radiology, Vol. I (Spanish version)
The Story of Radiology, Vol. II
Oncologic Imaging booklet (Spanish version)
A new booklet, Thoracic Imaging, will be available soon.