Rudy The Reindeer by Helen Wendy Cooper
Rudy the Reindeer lives at Cob House Country Park with his reindeer family. Along with his best friend Spike (a cheeky little mouse), Rudy gets into trouble and can't ride Santa's sleigh on Christmas Eve. Santa and the reindeer go to deliver the presents but a storm causes the sleigh to crash. Their only hope is Rudy, but will he be able to save them and all the presents in time for Christmas? Helen the author and illustrator of a picture-book series for under fives, this is her 5th book.