A peculiar hush will grip Aintree just before 5.15 on Saturday evening, as the amassed crowds wait keenly for the tape to drop on the 172nd edition of the Grand National.  The race that captures the minds of the general populous like no other, it can seem daunting when trying to pick a horse from the field of 40 budding stallions.  There are plenty of ways to pick a horse. Do you examine the form? Do you focus on the jockey? The trainer? The horse’s sire and dam? Did you pick it out of a hat? Or, do you just like the name? Whichever way you pick your charge for Saturday evening, survey the runners with our complete 2019 Grand National Guide. (Odds correct at time of writing)