Book excerpt: Christina, Grant, Mimi, Papa visit Papa's good friend who lives on a cattle ranch in Nevada. They land the Mystery Girl on a small airstrip near Area 51 and soon learn that the rancher and his wife have been losing their cattle. While trying to solve the mystery of the missing cattle, Christina and Grant find a "Crop" circle clue. Could it be alien abductions? This spooky mystery has the kids traveling in an RV, riding on 4-wheelers, visiting a few ghost towns and getting stuck in a mine. LOOK what's inside this mystery - people, places, history and more! Place in Nevada: Flyin' R Ranch Š Area 51 Š Mojave Desert Š Pahranagat Valley Š Ash Springs Š Richardville Road Š E.T. Highway Educational Items: S'mores Š Cattle ranching Š Crop Circles Š Shoshone Indians Š Sonic booms Š The Gold Rush Š Map coordinates Š Pahranagat Valley: flora, alfalfa and cottonwoods Š Air Force Š Aircraft testing Š Groom Lake Š Night vision goggles Š Radio transmissions Like all of Carole Marsh Mysteries, this mystery incorporates history, geography, culture and cliffhanger chapters that will keep kids begging for more! This mystery includes SAT words, educational facts, fun and humor, built-in book club and activities. Below is the Reading Levels Guide for this book: Grade Levels: 3-6 Accelerated Reader Reading Level: 3.9 Accelerated Reader Points: 2 Accelerated Reader Quiz Number: 143635 Lexile Measure: 600 Fountas & Pinnell Guided Reading Level: Q Developmental Assessment Level: 40