Alpine McAlpine School is all in a dither! The students in Ms. Bogus' class are going on a fantasy field trip to the planet Mars! Join the clever kid, the clumsy one, the athlete, the bookworm, and more as they whisk off on an out-of-this-world adventure, learn about Mars, and try to figure out how to get back, older, wiser, sillier, smarter, and well, pretty darn exhausted too!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.