Abominable Snowman of Pasadena by R. L. Stine
Jordan Blake and his sister, Nicole, are sick of the hot weather in Pasadena, California. Just once they'd like to have a real winter. A real winter with real snow. And then, it happens. The Blakes are taking a trip to Alaska! Mr. Blake has been asked to photograph a mysterious snow creature there. Poor Jordan and Nicole - they just wanted to see snow. But now, they're being chased by a monstrous creature. A big furry-faced Creature...known as the Abominable Snowman!