A grave marker in itself can tell quite a tale.But when the final date of a woman purportedly over one hundred and fifty years old has yet to be carved into the stone, there is indeed quite a story to be told.The Sensibility Of The Silly Sevens tells of precocious seven-year-old twins, who, on Halloween of all nights, discover the most incredible treat anyone could ever hope to uncover. And such will prove to be just the beginning of something no one could ever possibly imagine.