Christina, Grant, Mimi, and Papa head to the big city of Atlanta, Georgia, to explore the creepy Underground past and the high tech global future, but someone ends up stranded on a giant stone ear-really!-in a mystery that will really blow you away! Look What's Inside This Mystery - people, places, history and more! This mystery incorporates history, geography, culture and cliffhanger chapters that keep kids begging for more! This mystery includes SAT words, educational facts, fun and humor, a scavenger hunt and activities. This Carole Marsh Mystery will have Accelerated Reader Reading Levels, Lexile Measures, Fountas & Pinnell Guided Reading Levels and Developmental Reading Assessments Levels.