I'd give it a 10, but I'm not quite old enough to have lived through it all, and therefore, some of the jokes go RIGHT over my head. But most hit me in the belly, where they're intended to: J.Edgar Hoover, for instance, the only "commuter" in the afterlife, with an open door to both heaven and hell; Robert Kennedy, a poignant character still in love with Marylin, who left "purgatory" a few years ago; Johnson, a cowboy still; and the mysterious cloud that occasionally drifts by, speaking in a voice like thunder.If you've seen the conspiracy films, you must read this book. A few laughs never hurt anyone, and yet you'll be moved as well. The novel humanizes the late President in a way that more serious treatments have not managed to. 'Tis a pity it's a special order; this one deserved monumental success