Sweet Child O' Mine, a children's book.     The sweet cover illustration sees a man with a guitar slung over his back, holding hands with a little girl as they walk through a colorful field of flowers.   Illustrated by Jennifer Zivion, the book "was inspired by the adventures of Maya and Natalia Rose, two young girls who have grown up touring with the band," the release reveals.   Natalia and Maya are cousins — one the daughter of Guns N' Roses manager Fer