ores most of the work done from oral history ciardi collected or folks that you just have to find a map. >> i will start off and then pass it over tonight because we were talking about this earlier. i compare it to a historical scavenger hunt. the reality is that the record-keeping was pretty amazing and it was roughly a 30 page document that they tracked when they fired a torpedo. someone counted that in a torpedo hit. he recorded what was going on and attract down surviving sailors that were alive, emily members of folks who had passed away. but a lot of it is, as i said, it is a scavenger hunt. one of the officers became a prominent figure and he died about the time i was born and i found an obituary for him and he said he had a son that died in 1976 and he lived in hawaii after the war. i called his son and i said, i know your father has been deceased. but i'm doing a book and it's focusing on his summary. by any chance did he leave behind a diary or any letters? >> he said it's funny that you call because my mom died about a year ago. before she died she gave me a box and it had al