A bolide (bright) meteor, in remote CanadaStocktrek Images, Inc./AlamyThe Meteorite HuntersJoshua Howgego (Oneworld (UK, on sale now; US, 13 May))One evening in July last year, a couple from Prince Edward Island in Canada returned home after walking their dogs to find grey, dusty debris near their door. At first, they thought something had fallen off the roof, but the footage from their doorbell camera revealed something different. Theyd had a lucky escape.While they were out, a space rock thought to have been somewhere between the size of a golf ball and a baseball and