'I miss Dasher and Dancer and Prancer and Vixen! Oh, Comet! Oh, Cupid! Oh, Donner and Blitzen! And big brother Rudolph! I wish they were here!' Sobbed the naughtiest, loneliest little reindeer. This Christmas, Ruby's family is visiting Granny and Pop, whose house full of breakable items is not the place for a very naughty reindeer. So Ruby is sent to the zoo for the holidays, and she has to bunk in with the stuck-up antelopes and the fussy zebras, which is no fun at all for an excitable reindeer.So on Christmas Eve, Ruby opens all the enclosures hoping for fabulous festivities and feasting - and creates chaos! With all the animals on the loose, and Santa delayed from delivering all his presents - how can Ruby right her wrongs and save Christmas for everyone? Ruby is at her mischievous best in this rollicking Christmas treat.