Dangerous Summer

A student gets embroiled in a dangerous spy plot while on a European tour in this classic YA suspense novel by a New York Times-bestselling author. Bound for a summer in Europe, fifteen-year-old Nan Russell from Kansas knows her parents are worried about her safety. But what could be safer than a guided tour? It will be led by the distinguished professor Dr. Neal Yates, and the chaperone, Mrs. S...