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.