So much snow! A couple of cold kids! One sharp Sherpa! And one yelling Yeti! Equals a high-altitude adventure! Join Grant and Christina on a journey to the top of the world - Mount Everest! Along with their two Sherpa friends, they try to help Uncle Mike and his friend reach the summit. But someone else is trying to make sure they don't! Read this mystery - it will take your breath away! This new mystery incorporates history, geography, culture and more! Fun activities, built-in book club and SAT words are in each book. All Carole Marsh Mysteries have been assigned Accelerated Reader reading levels, points and quiz numbers, Lexile levels, Fountas & Pinnell levels and Developmental Reading Assessments.