Buying a Haynes manual is a rite of passage for young car enthusiasts in the UK. These detailed illustrated guides tell you how to service a particular make and model of car. But of late there has been something of tendency to spread the field into entertainment, with manuals on the likes of the USS Enterprise and the Death Star, and more bizarre how-to subjects, including the Zombie Survival Manual . So, almost inevitably, we get the UFO Investigations Manual . In a sense it is a bit of misnomer. Although there are a couple of pages of appendix on how to make a UFO report, this primarily isn’t a how-to guide at all, but rather an illustrated assessment of UFO history and attempts to explain them. I ought to say straight away that this less wide-eyed and trusting than UFOs Caught on Film , which merely shows photographs and comments on them with little attempt to rule out alternative causes. There is a section here on non-extra terrestrial causes, for...