When Christina, Grant and their two friends join their mystery-writing Mimi (and Papa!) on a trip to the "Mile-High City" of Denver, Colorado, they soon find themselves:; Sleeping in a mysterious, haunted palace of a hotel!; Deciphering mountains of clues to solve a mystery!; Reading tattered old books to help solve the clues!; Traveling through tricky tunnels to get to a scary ski slope!; Meeting an amazing woman who once sailed on the Titanic! But can the kids have fun, stay warm and solve a mystery all at the same time? Strap on your skis and come along and see! The Mystery in the Rocky Mountains is recommended by Sylvan Learning's Book Adventure reading program. Book Adventure is a FREE reading motivation program for children in grades K-8. Sylvan Learning is the leading provider of tutoring and supplemental education services to students of all ages. Each mystery incorporates history, geography, culture and cliffhanger chapters that keep kids begging for more! Each mystery includes SAT words, educational facts, fun and humor, built-in book club and activities. Each Carole Marsh Mystery also has an Accelerated Reader quiz, a Lexile Level, and a Fountas & Pinnell guided reading level.