GRUMBLES FROM THE GRAVE - FIRST . NY: DelRey, 1990. First Edition. 6 X 9. Hard Cover. Fine / Fine. ISBN: 0345362462. Beautiful copy. Edited by Virginia Heinlein. This is a collection of letters that Heinlein wanted to edit, and then release after his death. Due to his illness he was not able to edit the collection, but his wife took on the task and delivered his final wish. Here are his letters from his first one to an editor in 1939, and then through the years with many pulp magazines, editors, etc. Many of the later letters are to his long-time agent, Lurton Blassingame.