In this episode of the Dead Sibling Society, Gracie and Callum are joined by Gracie's mum Nicola, who tells us all about her daughter Laura and her book 'The Stars Will Still Be There' - a raw but beautifully written account of how Nicola helped her daughter make the most of her remaining time, while dealing with her own pain along with that of Gracie and husband, Mark.

Get your tissues at the ready - this one is emotional.