Book excerpt: Christina, Grant, Mimi and Papa snowmobile into Yellowstone National Park to encounter mud pots, geysers, bison, beauty, bears, volcanic action, and a mystery of historic proportions! LOOK what's in this mystery - people, places, history, and more! Yellowstone National Park - History: Largest, most active caldera Š Habitats of bison, elk, moose and bears, pika and flies, eagles, mule deer Š Wildlife of the park: bison vs. buffalo, mule deer, squirrels, pika, otter, elk, moose and bears, eagles; Grizzlies vs. Black Bears; Bison Facts Š Geology: Volcanoes; Earthquakes; Magma; Acidic Levels; Hot Springs facts; Vents; Fumaroles; Fountain Paint Pot facts; Geyser Facts; Thermal Pools; Caldera; Mud pots: Hydrogen sulfide; Rhyolite rock, Volcanic rock, travertine mineral deposits ? Slowcoaches and snowmobiles Š Yellowstone Lake facts Š Continental Divide facts and history Š Lower Falls facts and history Š Old Faithful facts Š Steamboat Geyser Facts Š Appropriate Ski Mobile Gear and Clothing Š Video Cameras and Camera's for fun on the trip Š Bison paddy's Š Ulysses S. Grant Š James Mitchell Š Bacteria facts and medical uses Š Robert Reamer Š Park preservation Š Map reading Š Death in Yellowstone ŠShoshone Indians: Food: Pemmican. Yellowstone National Park, WY: Flag Ranch, South Entrance; Yellowstone Lake; Yellowstone River; West Thumb Geyser Basin; Twin Geysers; Surging Springs; Fishing Cone; Fountain Paint Pot; Continental Divide; Old Faithful Inn; Hayden Valley; Sulfur Caldron; Artist Point; Second largest canyon; Lower Falls; Tower Falls; Petrified Tree; Mammoth Hot Springs; Mammoth Hotel; Minerva Terraces and the travertine steps; Liberty Cap; Fort Yellowstone; Old Faithful Geyser; Norris Geyser Basin; Norris Geyser Basin Bookstore and Museum; Minute Geyser; Morning Glory Pool Š Full Moon Celebration Gateway Arch, St. Louis, MO. 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: 5.8 Accelerated Reader Points: 3 Accelerated Reader Quiz Number: 135934 Lexile Measure: 920 Fountas & Pinnell Guided Reading Level: Q Developmental Assessment Level: 40