Christina, Grant, Mimi and Papa visit the peaceful Cape Cod National Seashore, only to find themselves awash in mystery filled with troubling tire tracks, shifting sand dunes, a lonely lighthouse and warnings of an approaching Nor'easter! One cape! One Cod! One lighthouse! One stormy seal! And lots of mystery! 

This mystery incorporates history, geography, culture and cliffhanger chapters that keep kids begging for more! Each mystery includes SAT words, educational facts, fun and humor, a scavenger hunt and activities. Each Carole Marsh Mystery has Accelerated Reader Reading Levels, Lexile Measures, Fountas & Pinnell Guided Reading Levels and Developmental Reading Assessments Levels.

LOOK what's inside this mystery - people, places, history and more! 
Places in Massachusetts - Boston Harbor • Provincetown • Eastham, Bourne • Chatham. Cape Cod National Sea Shore: Nauset Beach Lighthouse • Oil House Museum, Keepers House • Nauset Marsh Trail • Salt Pond Visitor Center • Provincetown Bike Trail • Old Harbor-Life Saving Station at Race Point Beach • The Three Sisters Lighthouses. Captain Bob's Whale Watching tour in Barnstable and other whale watch tours leaving from Boston and Provincetown. 

Cape Cod Facts: Geography: peninsula, glaciers, fauna, wildlife, Shaped like a giant arm ? Products: Codfish, Cranberries • Foods: Clams, Clam Chowder, Oyster Sandwiches. 

Science Facts: Erosion: Causes, effects and solutions • Invertebrates: Mollusks, Snails, Clams, Oysters and Muscles • Whales: Food, behavior and ecosystem • Nor'easter storm: It's causes, the preparation that is done before they come and how to stay safe during one • Marshlands: ecosystem, animals, importance to preventing erosion, food chain, Wildlife and Fauna: Foxes, rabbits, Bayberry Shrub • Food Chain. 

Other Facts: Marshland • A Red Herring • cell phone as a fun tool: taking pictures, GPS, texting • Lighthouses: Uses and History • Cod fishing • Sand Dunes • Dune Dwellers - History • Tennessee Williams •Eugene O'Neill.