Ace Books paperback original H-15 is signed by Harlan Ellison and Larry Niven ...Ace Books paperback original H-15 is signed by Harlan Ellison and Larry Niven to the first pages of their short stories. Creasing to spine and covers. Green and pink stickers to front cover. Some toning to pages. Spine creased but sturdy. ; 16mo 6" -...more