Radiant Kim Kardashian has that new romance glow at her book signing... as she admits 'It's hard to stay single'

By DAILY MAIL REPORTER The look of love? Kim Kardashian was radiant yesterday at a book signing with her sistersPlenty of people can relate to the excitement of a brand new romance.And Kim Kardashian certainly has the radiant glow of a woman in the early, butterfly-inducing stages of love yesterday.The 30-year-old put in a glamorous appearance with her sisters Khloe and Kourtney at a book signing