
From the New York Times bestselling author of the Mr. Lemoncello series comes a race across the country full of rousing riddles and laugh-out-loud humor as two brothers try to solve the million-dollar puzzle of an eccentric genius "Readers will enjoy solving...

From the New York Times bestselling author of the Mr. Lemoncello series comes a race across the country full of rousing riddles and laugh-out-loud humor as two brothers try to solve the million-dollar puzzle of an eccentric genius "Readers will enjoy solving...
